body#ID{
  font-family: 'Nanum Gothic', sans-serif;
  background-image: url('img/primoBiennioID.png');
  background-position: auto;
  background-size: cover;
  -moz-background-size: cover;
  -webkit-background-size: cover;
  overflow:hidden;
  background-repeat: no-repeat;
    display: flex;
   justify-content: center;
  align-items: center;
   min-height: 100vh;
   margin-left: -25vw;
     }


.centerId{    display: flex;
     align-items: center;
     justify-content: center;
     min-height: 100vh;
}


ul.centerID{
  position: relative;
  display: flex;
  flex-direction: column;
}

ul.centerID li:before {
  content: attr(data-text);
  position:absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color:#124a39;
  font-size: 100px;
  font-weight: 900;
  pointer-events: none;
  opacity: 0;
  transition: 0.5s;
  white-space: nowrap;

}

ul.centerID li:hover:before {
  opacity: 0.5;


}

ul.centerID li {
  list-style: none;
  align-items: center;
  width: inherit;
}

ul.centerID li a {
  position: relative;
  display: inline-block;
  padding: 10px 15px;
  border-radius: 4px;
  font-size: 18px;
  text-decoration: none;
  background: #bfbfbf;
  color: white;
  text-transform: uppercase;
  letter-spacing: 1px;
  overflow: hidden;
  transition: 0.5s;
  z-index: 1;}

ul:hover li a{
opacity: 0;
}

ul.centerID li a:hover{
  transform: scale(1.4);
  z-index: 100;
  background: #124a39;
  opacity: 1;
}














*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Nanum Gothic', sans-serif;

}