[class*=classic]:before {
  content:"Đang cân bằng đường truyền...";
}

.classic-7 {
  font-weight: bold;
  font-family: monospace;
  font-size: 30px;
  color:#0000;
  background:linear-gradient(90deg,#f5e3d0 calc(50% + 0.5ch),#e0c7ae 0) right/calc(200% + 1ch) 100%;
  -webkit-background-clip:text;
  background-clip:text;
  animation:c7 2s infinite steps(11);
  text-align: center;
  font-size: 40px;
}
@keyframes c7 {to{background-position: left}}

@media only screen and (max-device-width: 600px){
body {
  background-image: url('/img/backroud-mb.jpg')!important;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  background-position: top;
}
  .classic-7 {
  margin-top: 25%!important;}
}
@media screen and (min-width:768px) {
body {
 background: url("/img/backroud-desk.jpg") no-repeat center center fixed;
-webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  background-position: top;}
  .classic-7 {
    margin-top: 25%!important;}
 }

@media only screen and (max-device-width: 1000px){
body {
  background-image: url('/img/backroud-mb.jpg')!important;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  background-position: top;}
  .classic-7 {
  margin-top: 25%!important;}
}
}