Professional Web Templates

HTML

CSS

body, html {
    height: 100%;
    width:100%;
    text-align: center;
    background:#000;
  margin:0;
  padding:0;
  position:relative;
}

/*PRELOADING------------ */
#overlayer {
  width:100%;
  height:100%;  
  position:absolute;
  z-index:1;
  background:#000;
}
.loader {
  display: inline-block;
  width: 30px;
  height: 30px;
  position: absolute;
  z-index:3;
  border: 4px solid #Fff;
  top: 50%;
  animation: loader 2s infinite ease;
}

.loader-inner {
  vertical-align: top;
  display: inline-block;
  width: 100%;
  background-color: #fff;
  animation: loader-inner 2s infinite ease-in;
}

@keyframes loader {
  0% {
    transform: rotate(0deg);
  }
  
  25% {
    transform: rotate(180deg);
  }
  
  50% {
    transform: rotate(180deg);
  }
  
  75% {
    transform: rotate(360deg);
  }
  
  100% {
    transform: rotate(360deg);
  }
}

@keyframes loader-inner {
  0% {
    height: 0%;
  }
  
  25% {
    height: 0%;
  }
  
  50% {
    height: 100%;
  }
  
  75% {
    height: 100%;
  }
  
  100% {
    height: 0%;
  }
}

HTML

CSS

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Output