.anhdaidien {
  position: absolute;
  top: 20px;
  left: 20px ;
  width: 100px;
  border-radius: 10px;
}
.hop {
  position: relative;
  width: 100%;
  
}
.anhlon {
  width: 100%;
   border-radius: 10px;
}
html {
  font-size: 20px;
}
.anhthietkemach {
  position: relative;
  width: 100%;
  
}