@keyframes fadein{
    0%{opacity: 0;}
    100%{opacity: 1;}
}

@keyframes leftslide{
    0%{right: -100%;}
    100%{right: 0%;}
}

@keyframes rightslide-fadein{
    0%{
        opacity: 0;
        margin-left: -100vw;
    }
    100%{
        opacity: 1;
        margin-left: 0;
    }
}