.slidein div#rapper{
    -webkit-animation-name: slidein;
    -webkit-animation-duration: 5s;
    -webkit-animation-iteration-count: 1; 
    -webkit-animation-direction: normal;
    
    -moz-animation-name: slidein;
    -moz-animation-duration: 5s;
    -moz-animation-iteration-count: 1; 
    -moz-animation-direction: normal;
    
    -ms-animation-name: slidein;
    -ms-animation-duration: 5s;
    -ms-animation-iteration-count: 1; 
    -ms-animation-direction: normal;
        /*Chrome, Safari, Opera */
    animation-name: slidein;
    animation-duration: 5s;
    animation-iteration-count: 1;
    animation-direction: normal;
    }
  
@-webkit-keyframes slidein { 
    from {top: -10%;}
    to  {top:0%;}
}
@-moz-keyframes slidein { 
    from {top:-10%;}
    to  {top:0%;}
}
@ms-keyframes slidein { 
    from {top:-10%;}         
    to  {top:0;}
}
@keframes slidein { 
    from {top:-10%;}
    to  {top:0%;}
}