Simple Page Load Transition

index.html

<div id="loader">
     <div class="spinner"></div>
</div>

loader.js

$(window).load(function() {
  // Fadeout loader
  setTimeout(function() {
    $('#loader').fadeOut('500');
  }, 500);
});

style.css

#loader {
    background: #ffffff;
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
}

.spinner {
    width: 40px;
    height: 40px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -20px 0 0 -20px;
    background-color: #630C0D;
    border-radius: 100%;
    -webkit-animation: sk-scaleout 1.0s infinite ease-in-out;
    animation: sk-scaleout 1.0s infinite ease-in-out;
}

@-webkit-keyframes sk-scaleout {
  0% { -webkit-transform: scale(0) }
  100% {
    -webkit-transform: scale(1.0);
    opacity: 0;
  }
}

@keyframes sk-scaleout {
  0% { 
    -webkit-transform: scale(0);
    transform: scale(0);
  } 100% {
    -webkit-transform: scale(1.0);
    transform: scale(1.0);
    opacity: 0;
  }
}