/* body{
  margin: 0;
  padding: 0;
  width: 100%;
  background-image: linear-gradient(125deg,#283593,#3949AB,#5C6BC0);
  background-size: 200%;
  animation: bganimation 15s infinite;
  position: relative;
}

@keyframes bganimation {
  0%{
    background-position: 0 50%;
  }
  50%{
    background-position: 100% 50%;
  }
  100%{
    background-position: 0 50%;
  }
} */
body, html {
  height: 100%;
  margin: 0;
  background-image: linear-gradient(125deg,#283593,#3949AB,#5C6BC0);
  background-size: 200%;
  animation: bganimation 15s infinite;
  position: relative;
}



.middle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;

}
.middle a, i{
  text-decoration: none;
  color: #fff;
}
.middle i{
  font-size: 44px;
}

hr {
  margin: auto;
  width: 40%;
}
#demo{
  font-size:30px;
  border: 2px solid #fff;
}

@keyframes bganimation {
  0%{
    background-position: 0 50%;
  }
  50%{
    background-position: 100% 50%;
  }
  100%{
    background-position: 0 50%;
  }
}