body{
    background:#262626;
}
/* Center the loader */
#loader {
    position: absolute;
    left: calc(50% - 165px);
    top: calc(50% - 110px);  
    width: 330px;
    height: 220px;
  }  
  /* Add animation to "page content" */
  .animate-bottom {
    position: relative;
    -webkit-animation-name: animatebottom;
    -webkit-animation-duration: 1s;
    animation-name: animatebottom;
    animation-duration: 1s
  }
  
  @-webkit-keyframes animatebottom {
    from { bottom:-100px; opacity:0 } 
    to { bottom:0px; opacity:1 }
  }
  
  @keyframes animatebottom { 
    from{ bottom:-100px; opacity:0 } 
    to{ bottom:0; opacity:1 }
  }
  
  #myDiv {
    display: none;
  }