@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');
*{
    margin: 0;
  
    box-sizing: border-box;
    font-family: 'Calibri Light', sans-serif;
    scroll-behavior: smooth;
}


header.sticky{
  background-color: #e29a51;
  opacity: 0;
}
header.sticky:hover{
  background-color: #e29a51;
  opacity: 1;
 


}
header.sticky{
  background-color: #e29a51;
  padding: 5px 100px;
}
article{
  margin-top: -52px;
}
header .logo:hover{
  color: #ff850b;
}
header.sticky .logo:hover{
  color: #111;
}

header.sticky .logo{
  color: #111;
}


header ul
{
  top: 3.5px;
   right: 50px;
  position: relative;
  display: flex;

  
}
header .ht img
{
width: 3.5%;
  position:absolute;
 left: 148%;
  bottom: 18.5px;

}
.workBx h5{
  font-size: 20px;
  text-align: center;
  padding-top: 10px;

}
.hjk1{

  font-family: 'Calibri Light', sans-serif;

  
}
.htt{
  position: relative;
  display: flex;
}
header ul li 
{
  position: relative;
  list-style: none;
}
header ul li a{
  position: relative;
  display: inline-block;
  margin-left: 25px;
  color:white;
  text-decoration: none;
  font-family: 'Calibri Light', sans-serif;
  font-weight:bold;

}
header .menu{
  margin-left: 10px;
  margin-bottom: 10px;
}
header.sticky ul li a:hover{
  color: #111;
}
header ul li a:hover{
  color: #111;
}
header.sticky ul li a{
  color: white;
}
header .logo
{
  
  color: #fff;
  font-size: 24px;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 2px;

}
header
{
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 5px 420px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e29a51;

}


.back{
    margin-right: 20px;
    position: relative;
    display: inline-block;
    font-size: 24px;
    color: white;
    text-decoration: none;
    font-family: 'Calibri Light', sans-serif;
  }



.back:hover{
    color: #0a0b0b;
}

section {
  padding: 100px;
    margin-top: 0px;
}

.project .noidungwork 
{
    display: flex;
    /* justify-content: space-between; */
    flex-wrap: wrap;
}

.table_on_top{
    position: fixed;
    z-index: 999;
    right: 20px;
    bottom: 0px;
}
.table_on_top ul{
    list-style: none;
    position: relative;
    display: flex;
}
.table_on_top ul .tooltipa a img{
  border-radius: 30%;
}
.table_on_top ul .tooltipa{
    margin:0 0 0 10px ;
    position: relative;
}
.table_on_top ul .tooltipa a{
    width: 30px;
    height: 30px;
    display: table;
    text-align: center;
    line-height: 35px;
    cursor: pointer;
    border-radius: 50%;
}
.table_on_top ul .tooltipa a img{
    vertical-align: middle;
   
}
.tooltipa .tooltiptext1 {
   
    visibility: hidden;
    width: 111px;
    height: 30px;
    background-color: #f8991d4d;
    color: #fff;
    border-radius: 6px;
    padding: 1px 0;
    
    /* Position the tooltip */
    position: absolute;
    z-index: 1;
  
    bottom: 50px;
    right: 115%;
  }
  .test1{
    margin-left: 5px;
    font-family: 'Calibri Light', sans-serif;
  
  }
.table_on_top ul .tooltipa a img:hover{
    background-color: rgb(203, 211, 211);
    border-radius: 20px;
}
.workBx h5{
color: #111;
}
.tooltipa:hover .tooltiptext1 {
    visibility: visible;
  }  
.bot{
    width: 100%;
    height: 50px;
    background-color:#111;
    margin-bottom: 0px;
   color: white;
}  
  .quote {
    padding-top: 15px;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }

/*Responsive*/
@media(max-width:991px )
{
  .project .content .workBx{
    padding: 4px;
}
}
@media(width:820px){
  .heading .hjk .hjk1{
    margin-top: 10px;
   margin-left: 15px;
   font-size: 45px;
    
}
.project .content .workBx{
  width: 33%;
  padding: 5px;
}
section {
  padding: 80px 10px;
    margin-top: 0px;
}
header .logo{
  margin-left: 23px;
}
header ul {
  top: 3.5px;
  /* right: 50px; */
  right: 20px;
  position: relative;
  display: flex;
}
header
{
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    padding: 5px 80px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e29a51;

}
header.sticky:hover{
  padding: 5px 20px;
}
.noidungwork .workBx{
  width: 33%;
}
.hr{
  width: 95.5%;
  margin-left: 14px;
  margin-top: 5px;
}
.dropdown-content{
  margin-left: -90px;
  width: 170px;
  height: 350px;
  font-size: 25px;
  font-family: 'Calibri Light', sans-serif;
}
.heading .hjk .dropbtn{
  margin-left: -60px;
  margin-top: -18px;
}
footer{
  margin-top: 200px;
}


}
@media(max-width:819px) and (min-width:700px){
  .heading .hjk .hjk1{
    margin-top: 10px;
   margin-left: 15px;
   font-size: 45px;
    
}
.project .content .workBx{
  width: 33%;
  padding: 5px;
}
section {
  padding: 80px 10px;
    margin-top: 0px;
}
header .logo{
  margin-left: 23px;
}
header ul {
  top: 3.5px;
  /* right: 50px; */
  right: 20px;
  position: relative;
  display: flex;
}
header
{
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    padding: 5px 80px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e29a51;

}
header.sticky:hover{
  padding: 5px 20px;
}
.noidungwork .workBx{
  width: 33%;
}
.hr{
  width: 95.5%;
  margin-left: 14px;
  margin-top: 5px;
}
.dropdown-content{
  margin-left: -90px;
  width: 170px;
  height: 350px;
  font-size: 25px;
  font-family: 'Calibri Light', sans-serif;
}
.heading .hjk .dropbtn{
  margin-left: -60px;
  margin-top: -18px;
}
footer{
  margin-top: 200px;
}


}
@media(width:915px){
  .dropdown-content{
    
    height: 400px;

    font-family: 'Calibri Light', sans-serif;
  }
}
@media(width:740px){
  .heading .hjk .hjk1{
    margin-top: 10px;
   margin-left: 15px;
   font-size: 50px;
    
}

section {
  padding: 80px 10px;
    margin-top: 0px;
}

header
{
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    padding: 5px 10px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e29a51;

}
header .logo{
  margin-left: 25px;
}
.hr{
  width: 96%;
  margin-left: 13px;
  margin-top: 5px;
}
.dropdown-content{
  margin-left: -80px;
  width: 170px;
  height: 350px;
  font-size: 25px;
  font-family: 'Calibri Light', sans-serif;
}
.heading .hjk .dropbtn{
  margin-left: -60px;
  margin-top: -18px;
}
footer{
  margin-top: 150px;
}


}
@media(max-width:1000px) and (min-width:900px){
  .heading .hjk .hjk1{
    margin-top: 10px;
   margin-left: 15px;
   font-size: 45px;
    
}
.project .content .workBx{
  width: 33%;
  padding: 5px;
}
section {
  padding: 80px 10px;
    margin-top: 0px;
}
header .logo{
  margin-left: 23px;
}
header ul {
  top: 3.5px;
  /* right: 50px; */
  right: 20px;
  position: relative;
  display: flex;
}
header
{
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    padding: 5px 10px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e29a51;

}
.noidungwork .workBx{
  width: 33%;
}
.hr{
  width: 95.5%;
  margin-left: 14px;
  margin-top: 5px;
}
.dropdown-content{
  margin-left: -90px;
  width: 170px;
  height: 380px;
  font-size: 25px;
  font-family: 'Calibri Light', sans-serif;
}
.heading .hjk .dropbtn{
  margin-left: -60px;
  margin-top: -18px;
}
footer{
  margin-top: 200px;
}


}
@media(width:740px){
  .heading .hjk .hjk1{
    margin-top: 10px;
   margin-left: 15px;
   font-size: 50px;
    
}

section {
  padding: 80px 10px;
    margin-top: 0px;
}

header
{
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    padding: 5px 10px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e29a51;

}
header .logo{
  margin-left: 25px;
}
.hr{
  width: 96%;
  margin-left: 13px;
  margin-top: 5px;
}
.dropdown-content{
  margin-left: -80px;
  width: 170px;
  height: 400px;
  font-size: 25px;
  font-family: 'Calibri Light', sans-serif;
}
.heading .hjk .dropbtn{
  margin-left: -60px;
  margin-top: -18px;
}
footer{
  margin-top: 150px;
}


}
@media(width:768px){
  .heading .hjk .hjk1{
    margin-top: 10px;
   margin-left: 15px;
   font-size: 50px;
    
}

section {
  padding: 80px 10px;
    margin-top: 0px;
}

header
{
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    padding: 5px 80px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e29a51;

}
header.sticky:hover{
  padding: 5px 20px;
}
header .logo{
  margin-left: 25px;
}
.hr{
  width: 96%;
  margin-left: 13px;
  margin-top: 5px;
}
.dropdown-content{
  margin-left: -80px;
  width: 170px;
  height: 350px;
  font-size: 25px;
  font-family: 'Calibri Light', sans-serif;
}
.heading .hjk .dropbtn{
  margin-left: -60px;
  margin-top: -18px;
}
footer{
  margin-top: 150px;
}


}
@media(max-width:600px )
{
  header, 
  header.sticky{
      padding: 10px 5px; 
      z-index: 1000;
  }
  .hjk .hjk1{
    margin-top: 50px;
  }
  header.sticky ul li a{
    color: #e29a51;
}
.project .city .noidungwork .workBx {
  width: 100%;
  padding-top: 17px;
  padding-left: 5px;
  padding-right: 5px;
}
.menu{

  position: fixed;
  top:-1000px;
  right: 0;
  display: block;
  text-align: center;
  width: 100%;
  height: 100vh;
 background-color: #fefefe49;
  transition: 0.1s;
  z-index: 999;
  

}
.menu.active{
  
  top: 50px;
 
}

  .menu.active{
    left: 0;
    background-color: rgba(255, 255, 255, 0.832);

    opacity: 0.0 - 1.0;

    color:#ff850b;
    margin-top: 10px;
    margin-left: -13px;
    padding-top: 40%;
}
.project .noidungwork .workBx{
  width: 100%;
}
header ul li a{

    font-size: 24px;
    margin: 10px;
    color:#111;
    margin-left: 0px;

}
header ul li a{

  font-size: 24px;
  margin: 10px;
  color:#111;
  margin-left: 0px;

}
header{
    width: 100%;
}
header.sticky:hover {
  padding: 15px 2px;
}
.toggle{
    width: 40px;
    height:40px;
    position: absolute;
    left: 85%;
    background: url(menu.png);
    background-position: center;
    background-size: 30px;
    background-repeat: no-repeat;
    cursor: pointer;
    color:#111;

}
.toggle.active{
    background: url(close.png);
    background-position: center;
    background-size: 25px;
    background-repeat: no-repeat;
    cursor: pointer;
    color:#111;

}
header.sticky .toggle
{
    filter: invert(1);
    color:#111;

}

    #khoahoc{
        display: block;
        width: 100%;
    }
    .back{
      margin-left: 40px;
    }
    #noidung{
        display: grid;
        grid-template-columns: auto;
         
    }
    section {
      padding: 30px;
        margin-top: 0px;
    }
    .heading .hjk1{
      font-size: 10px;
    }

    button a{
        font-size: 80%;
    }
    .heading .hjk .hjk1{
        margin-top: 80px;
       margin-left: -20px;
       font-size: 40px;
        
    }
    .quote{
      font-size: 10px;
    }
    .hr{
      width: 114%;
      margin-left: -20px;
      margin-top: 5px;
    }
    .dropdown-content{
      margin-left: -100px;
    }
    .heading .hjk .dropbtn{
      margin-left: -35px;
    }
    
   
} 
@media(max-width:360px ) and (min-width:200px){
    header, 
    header.sticky{
        padding: 20px 20px;
    }
    #london{
        width: 100%;
        background-color: #232425;
    }
    #khoahoc{
        display: block;
        width: 100%;
    }
    #noidung{
        display: grid;
        grid-template-columns: auto;
        background-color: #2196f3   ;
    }
    .project .content .workBx{
        width: 200%;
        background-color: #2196f3;
    }
    .workBx{
        margin-left: 0px;
    }

    button a{
        font-size: 80%;
    }
}

.table_on_top{
    position: fixed;
    z-index: 999;
    right: 20px;
  
}
.table_on_top ul{
    list-style: none;
}
.table_on_top ul .tooltip{
    margin:0 0 10px 0 ;
    position: relative;
}
.table_on_top ul .tooltip a{
    width: 55px;
    height: 55px;
    background: #2196f3;
    display: table;
    text-align: center;
    line-height: 35px;
    cursor: pointer;
    border-radius: 50%;
}
.table_on_top ul .tooltip a img{
    vertical-align: middle;
}
.tooltip .tooltiptext {
   
    visibility: hidden;
    width: 140px;
    background-color: #716e6e;
    color: #fff;
    border-radius: 6px;
    padding: 1px 0;
    
    /* Position the tooltip */
    position: absolute;
    z-index: 1;
    top: 10px;
    right: 115%;
  }
.table_on_top ul .tooltip a img:hover{
    background-color: rgb(203, 211, 211);
    border-radius: 30px;
}
.tooltip:hover .tooltiptext {
    visibility: visible;
  }

/* .services{
    background: #111;
} */




.services .content{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: row;
}
.services #contentt{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: row;
}
.services .content .servicesBX
{
    background-color: white;
    color: #fff;
    max-width: 340px;
    margin: 20px;
    transition: 0.5s;
}
.services #contentt .servicesBX
{
    padding: 40px 20px;
    color: #fff;
    max-width: 340px;
    margin: 20px;
    text-align: center;
    transition: 0.5s;
}
.services .content .servicesBX:hover{
    transform: scale(1.04);

}
.services .content .servicesBX img{
    max-width: 100%;
}
.services #contentt .servicesBX img{
    max-width: 80px;
    filter: invert(1);
}
.services .content .servicesBX h2{
    font-size:20px;
    font-weight: 600; 
}
.servicesBX h3{
    padding-top: 10px;
    font-size: 25px;
    padding-left: 10%;
    padding-bottom: 10px;
    color: black;
}
.servicesBX p{
    padding-left: 10%;
    margin-bottom: 10px;
    color: black    ;
}
.servicesBX a{
    text-decoration: none;
}


.servicess .content{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: row;
}
.servicess #contentt{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: row;
}
.services .content .servicesBXx
{
    background-color: white;
    color: #fff;
    max-width: 500px;
    margin: 15px;
    transition: 0.5s;
}
.services #contentt .servicesBXx
{
    padding: 40px 20px;
    color: #fff;
    max-width: 400px;
    margin: 20px;
    text-align: center;
    transition: 0.5s;
    border: 2px solid #cccccc;
}
.services .content .servicesBXx:hover{
    transform: scale(1.04);

}
.services .content .servicesBXx img{
    max-width: 55%;
    padding-bottom: 20px;

}
.services #contentt .servicesBXx img{
    max-width: 80px;
    filter: invert(1);

}
.services .content .servicesBXx h2{
    font-size:20px;
    font-weight: 600; 
}
.servicesBXx h3{
    padding-top: 10px;
    font-size: 19px;
    padding-left: 10%;
    padding-bottom: 10px;
    color: black;
}
.servicesBXx p{
    padding-left: 5%;
    margin-bottom: 10px;
    color: black    ;
    font-size: 20px;
    padding-top: 20px;
    padding-right: 1px;
}
.servicesBXx a{
    text-decoration: none;
    display: flex;
}
.servicesBXx h4{
    padding-left: 10px;
    font-size: 15px;
    color: #111;
}
.servicesBXx .nguoixem img{
    width: 35px;
    margin-top: 15px;
    background-color:  #cccccc;;
}
.nguoixem {
    display: flex;
    position: relative;
    color: #cccccc;
    font-size: 10px;
}
.nguoixem p{
    margin-left: 0px;
    position: absolute;
    left: 20px;
    font-size: 10px;
}
.servicesBX:hover{
    transform: scale(1.1);
}
@media(max-width:1241px ) and (min-width:1000px){
    
}
@media(max-width:1000px ) and (min-width:800px){
  
}
@media(max-width:800px ) and (min-width:600px){
   
    body{
        width: 100%;
    }
    
}
@media(max-width:600px)
{
  .menu{

    position: fixed;
    top:-1000px;
    right: 0;
    display: block;
    text-align: center;
    width: 100%;
    height: 100vh;
   background-color: #fefefe49;
    transition: 0.1s;
    z-index: 999;
    
  
}
.menu.active{
    
    top: 50px;
   
}
   
    header .menu{
        width: 100%;
    }
    .content{
        width: 100%;
    }
    .map iframe{
        width: 100%;
    }

    header{
        width: 100%;
    }
    footer{
        width: 100%;
    }
    .project .noidungwork .workBx{
        width: 100%;
    }


    .about .content .contentBx #khung{
        left: 0;
    }
    .project .noidungwork .workBx {
      width: 100%;
      padding-top: 17px;
      padding-left: 17px;
      padding-right: 17px;
  }
    .w50{
        margin-top: 10px;
        margin-left: 0%;
    }
    .w50 img{
        margin-left: 0%;
    }
    .heading1{
        position: relative;

    }
    .heading1  #pppp{
        
        top: 15px;
        left: 85%;
        font-size: 30px;
        margin-right: 90%;
        color: #ff850b;

      }
     .heading .hjk .dropbtn{
        font-size: 20px;
      }
   
      .dropdown-content{
        margin-left: -85px;
      }
 
       
header ul li a{
    font-size: 24px;
    margin: 10px;
  color: #111;
    margin-left: 0px;
}
header.sticky{
    background-color: #e29a51;
    opacity: 0;
   padding: 5px 100px;
   height: 70px;

}
header.sticky .logo{
    margin-top: 10px;
}
hr{
  height: 3px;
  background-color: #ff8c1a;
  width: 99%;
  font-size: px;
  margin-left: 16px;
  margin-top: -1px;
}
                      

} 
@media(max-width:370px) and (min-width:320px){
  .heading .hjk .dropbtn{
    font-size: 20px;

  }
  hr{
    width: 99%;
  }

}

@media (width:1180px) {

  .dropdown{
    margin-left: -40px;
  }
  .hr{
    width: 97%;
  }
  header
{
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    padding: 5px 250px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e29a51;

}
header.sticky:hover{
  padding: 5px 20px;
}
}
@media (max-width:2000px) and (min-width:1000px) {

  header
  {
      position:fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 50px;
      padding: 5px 400px;
      z-index: 1000;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background-color: #e29a51;
  
  }
  header.sticky:hover{
    padding: 5px 20px;
  }
}
@media (max-width:1290px) and (min-width:1280px) {
  .dropdown-content{
    margin-left: -80px;
    width: 200px;
    height: 350px;
    font-size: 25px;
  }
  .hjk .dropbtn{
    margin-left: -50px;
  }
  .hjk hr{
    width: 96.5%;
    margin-left: 10px;
  }
  .hjk .hjk1{
    margin-left: 10px;
  }
  header
  {
      position:fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 50px;
      padding: 5px 170px;
      z-index: 1000;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background-color: #e29a51;
  
  }
  header.sticky:hover{
    padding: 5px 20px;
  }
}


@media(max-width:700px) and (min-width:600px){
  .heading .hjk .hjk1{
    margin-top: 10px;
   margin-left: 15px;
   font-size: 50px;
    
}
.project .noidungwork .workBx {
  width: 33%;
  /* padding-top: 18px; */
  /* padding-left: 19px; */
  padding-right: 19px;
}
.heading .hjk .dropbtn {
  margin-left: -70px;
  margin-top: -18px;
}
section {
  padding: 80px 10px;
    margin-top: 0px;
}
.project .noidungwork .workBx {
  width: 33%;
  padding: 5px;
}
.project .noidungwork{
  margin-left: 12px;
}
header
{
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    padding: 5px 10px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e29a51;

}
header .logo{
  margin-left: 25px;
}
.hr{
  width: 95%;
  margin-left: 13px;
  margin-top: 5px;
}
.dropdown-content{
  margin-left: -90px;
  width: 40px;
  height: 400px;
  font-size: 25px;
}
header.sticky{
  padding: 0;
}
.heading .hjk .dropbtn{
  margin-left: -75px;
  margin-top: -18px;
}
footer{
  margin-top: 150px;
}


}
@media(width:896px){
  .heading .hjk .hjk1{
    margin-top: 10px;
   margin-left: 15px;
   font-size: 45px;
    
}
.project .content .workBx{
  width: 33%;
  padding: 5px;
}
section {
  padding: 80px 10px;
    margin-top: 0px;
}
header .logo{
  margin-left: 23px;
}
header ul {
  top: 3.5px;
  /* right: 50px; */
  right: 20px;
  position: relative;
  display: flex;
}
header
{
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    padding: 10px 5px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e29a51;

}
.noidungwork .workBx{
  width: 33%;
}
.hr{
  width: 95.5%;
  margin-left: 14px;
  margin-top: 5px;
}
.dropdown-content{
  margin-left: -70px;
  width: 70px;
  height: 400px;
  font-size: 25px;
  font-family: 'Calibri Light', sans-serif;
}
.heading .hjk .dropbtn{
  margin-left: -60px;
  margin-top: -18px;
}
footer{
  margin-top: 200px;
}


}
@media(max-width:900px) and (min-width:840px){
  .heading .hjk .hjk1{
    margin-top: 10px;
   margin-left: 15px;
   font-size: 45px;
    
}
.project .content .workBx{
  width: 33%;
  padding: 5px;
}
section {
  padding: 80px 10px;
    margin-top: 0px;
}
header .logo{
  margin-left: 23px;
}
header ul {
  top: 3.5px;
  /* right: 50px; */
  right: 20px;
  position: relative;
  display: flex;
}
header
{
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    padding: 5px 70px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e29a51;

}
header.sticky:hover{
  padding: 5px 20px;
}
.noidungwork .workBx{
  width: 33%;
}
.hr{
  width: 95.5%;
  margin-left: 14px;
  margin-top: 5px;
}
.dropdown-content{
  margin-left: -70px;
  width: 70px;
  height: 400px;
  font-size: 25px;
  font-family: 'Calibri Light', sans-serif;
}
.heading .hjk .dropbtn{
  margin-left: -60px;
  margin-top: -18px;
}
footer{
  margin-top: 200px;
}


}

@media(max-width:840px) and (min-width:820px){
  .heading .hjk .hjk1{
    margin-top: 10px;
   margin-left: 15px;
   font-size: 45px;
    
}
.project .content .workBx{
  width: 33%;
  padding: 5px;
}
section {
  padding: 80px 10px;
    margin-top: 0px;
}
header .logo{
  margin-left: 23px;
}
header ul {
  top: 3.5px;
  /* right: 50px; */
  right: 20px;
  position: relative;
  display: flex;
}
header
{
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    padding: 5px 70px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e29a51;

}
header.sticky:hover{
  padding: 5px 20px;
}
.noidungwork .workBx{
  width: 33%;
}
.hr{
  width: 95.5%;
  margin-left: 14px;
  margin-top: 5px;
}
.dropdown-content{
  margin-left: -70px;
  width: 70px;
  height: 400px;
  font-size: 25px;
  font-family: 'Calibri Light', sans-serif;
}
.heading .hjk .dropbtn{
  margin-left: -60px;
  margin-top: -18px;
}
footer{
  margin-top: 200px;
}


}
@media (width: 1920px){

.project .heading .dropbtn{
    font-family: 'Calibri Light', sans-serif;
    color: #ff8c1a;
    padding-bottom: 20px;
    font-size: 30px;
    border: none;
    margin-top: -37px;
    margin-left: 50px;
}
 .heading hr {
  height: 3px;
  background-color: #ff8c1a;
  width: 97.8%;
  font-size: px;
  margin-left: 16px;
  margin-top: -1px;
}
.dropdown-content{
  margin-left: 40px;
}
}