#splashscreen{
    background-color: black;
    height: 100%;
    width: 100%;
    z-index: 99;
    position: relative;
}
#splashscreen img{

    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}
@media only screen and (max-device-width: 480px){
    #splashscreen img{
        width: 100%;
    }
}