.slideInText{
    left:0px;
    position:relative;
    opacity:1;
    font-size:0px;
    animation-duration:15s;
    animation-name:slidein;
}

@keyframes slidein{
    0%{
        left:800px;
        font-size:16px;
    }
    5%{
        left:0px;
    }
    75%{
        opacity:1;
        font-size:16px;
    }
    100%{
        opacity:0;
        font-size:0px;
    }
}

body{
    background-color: color(0,0,0,0)!important;
}