*{
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
body{
  background: radial-gradient(#16FDFF,rgba(255,255,255,0.1)),
  url("../logo1.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: contain;
  background-attachment:fixed;
  z-index: -3;
  position:relative;
  overflow: hidden;
  height: 100vh;
}
.icon{
  color:#000033;
  font-size: 30px;
  position:absolute;
  animation: movingbg 12s infinite linear;
  
}
.icons{
  position:fixed;
  z-index: -1;
  top:0;
  left:0;
  overflow:hidden;
  height: 100%;
  width:100%;
}
.icon:nth-child(1){
  left:10%;
  top:90%;
  animation-delay:0s;
}
.icon:nth-child(2){
  left:30%;
  top:100%;
  animation-delay:2s;
}
.icon:nth-child(3){
  left:50%;
  top:120%;
  animation-delay:1s;
}
.icon:nth-child(4){
  left:70%;
  top:120%;
  animation-delay:0s;
}
.icon:nth-child(5){
  left:90%;
  top:140%;
  animation-delay:1s;
}
.icon:nth-child(6){
  left:90%;
  top:140%;
  animation-delay:3s;
}
.icon:nth-child(7){
  left:0%;
  top:140%;
  animation-delay:0s;
}
.icon:nth-child(8){
  left:0%;
  top:100%;
  animation-delay:2s;
}

@keyframes movingbg{
  from{
    transform: translateY(0) rotate(0deg);
  }
  to{
    transform: translateY(-140vh) rotate(360deg);
  }
}
.welcome{
  position:relative;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 90vh;
  z-index: 1;
  
}
.welcome h1{
  font-size:40px;
}
button{
  margin-top:50px;
  padding:10px 20px;
  border: none;
  border-radius: 10px;
  color:#000033;
  font-size:20px;
  font-weight: bold;
  animation:open 0.5s ease;
}
button:hover{
  transform: scale(1.1);
  box-shadow: 0px 0px 20px #000033;
}

@keyframes open{
  from{
    opacity: 0;
    scale:0.5;
  }
  to{
    opacity:1;
    scale:1;
  }
}