#dong1 {
   height: 80px;
   width: 100%;
   display: flex;
}

#dong2 {
   height: 1200px;
   display: flex;
   margin-top: 20px;
}

#dong3 {
   height: 700px;
   display: flex;
}

#dong2thu1 {
   height: 1200px;
   margin-left: 30px;
   width: 60%;

}

#dong2thu2 {
   height: 400px;
   margin-left: 30px;
   width: 40%;
}

#dong3thu1 {
   height: 400px;
   margin-left: 30px;
   width: 27%;

}

#dong3thu2 {
   height: 400px;
   margin-left: 10px;
   width: 65%;
}
#dong4{
   height: 450px;
   width: 100%;
   background-color: darkblue;
   color: white;
}
#dong4thu1{
   display: flex;
}
#dong4thu2{
   display: flex;
   height: 300px;
   width: 100%;
}
.motphantu{
   height: 300px;
   width: 20%;
   margin-left: 30px;
   margin-top: 30px;
}
#full {
   width: 80%;
   margin-left: 150px;
}

#dieuchinh1 {
   display: flex;
   margin-top: 10px;
   margin-left: 140px;
}

#dieuchinh2 {
   display: flex;
   margin-top: 55px;
   margin-left: 390px;
   font-size: 30px;
   color: darkblue;
}

.link1 {
   color: darkblue;
   text-decoration: none;
   margin-left: 50px;

}

#anh1 {
   margin-left: 50px;
   margin-top: -30px;
}

#thanhngang1 {
   width: 80%;
   height: 2px;
   background-color: darkblue;
   position: relative;
   top: 50px;
   margin-left: 10%;
}

.thanhngang2 {
   width: 21%;
   height: 3px;
   background-color: darkblue;
   position: relative;
   margin-left: 50px;
}

.thanhngang3 {
   width: 53%;
   height: 3px;
   background-color: darkblue;
   position: relative;
   margin-left: 50px;
}

.thanhngang4 {
   width: 80%;
   height: 1px;
   background-color: darkblue;
   position: relative;
   margin-left: 33px;
}
.thanhngang5 {
   width: 26%;
   height: 3px;
   background-color: darkblue;
   position: relative;
   margin-left: 50px;
}
#anh2 {
   margin-left: 60px;
   margin-top: 20px;
   border-radius: 10px;
}

.bangtt1 {
   height: 300px;
   width: 90%;
   box-shadow: 0 0 4px darkblue;
   border-radius: 5px;
   margin-top: 40px;
   margin-left: 10px;
   display: flex;
}

.bangtt2 {
   height: 600px;
   width: 90%;
   box-shadow: 0 0 4px darkblue;
   border-radius: 5px;
   margin-top: 40px;
   margin-left: 10px;
}

.anh3 {
   margin-left: 30px;
   margin-top: 30px;
   border-radius: 30px;
}

.bangttchu {
   margin-left: 20px;
   margin-top: 20px;
}

.venlink {
   background-color: darkblue;
   color: white;
   border: none;
   padding: 8px 40px 8px 40px;
   font-size: 16px;
   border-radius: 5px;
   cursor: pointer;
   margin-left: 200px;
}

.boloc {
   color: darkblue;
   margin-left: 170px;
}

.dieuchinh4 {
   margin-left: 30px;
}

input {
   height: 30px;
   width: 90%;
   border-radius: 30px;
}

button {
   height: 40px;
   background-color: darkblue;
   color: white;
   border-radius: 5px;
   border: solid white;
   margin-top: 20px;
}

.dieuchinh5 {
   margin-top: 40px;
   width: 200px;
   height: 50px;
   margin-left: 20px;
   background-color: darkred;
}
#dieuchinh6{
   height: 300px;
   width: 100%;
   border-radius: 5px;
   margin-top: 10px;
   margin-left: 10px;
   display: flex;
}
table {
   text-align: top;
   margin-right: 20px;
   margin-top: 30px;
   width: 90%;
   float: left;
   cursor: pointer;
}

th,
td {
   border: 1px solid black;
   padding: 20px;
   text-align: left;
}

th {
   background-color: darkblue;
   color: white;
}
.anh4{
   margin-top: 30px;
   margin-left: 20px;
}
.anh5{
   margin-top: 30px;
   margin-left: 20px;
}
.TTC1{
   height: 100px;
   width: 30%;
}
.TTC2{
   height: 100px;
   width: 40%;
   margin-left: 20px;
}
#phan1 {
   height: 300px;
   width: 30%;
}

#phan2 {
   height: 300px;
   width: 30%;
   margin-left: 12px;
}
#phan3 {
   height: 300px;
   width: 30%;
   margin-left: 12px;
}
.dieuchinh7{
   margin-left: 30px
}
#dieuchinh8{
   display: flex;
}
#i1{
   margin-left: 55px;
   margin-top: 22px;
}
.mxh{
   margin-top: 10px;
   margin-left: 20px;
}
.link1:hover{
   color: white;
   background-color: darkblue;
   padding: 40px;
   border-radius: 20px;
}
.link3:hover{
   color: darkgoldenrod;
   font-size: 30px;
}
.venlink:hover{
   background-color: darkred;
   color: white;
   border: none;
   padding: 10px 50px 10px 50px;
   font-size: 16px;
   border-radius: 5px;
   cursor: pointer;
}
button:hover{
      background-color: darkred;
   color: white;
   border: none;
   padding: 10px 30px 10px 30px;
   font-size: 16px;
   border-radius: 5px;
   cursor: pointer;
}
.dieuchinh7:hover{
   font-size: 15px;
}