body, html{
    padding: 0;
    margin: 0;
}
video{
    width: 100%;
    height: 100%;
}
#splash{
    width: 100%;
    height: 100%;
}
#overlay{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
#popup{
    position: absolute;
    left: 30%;
    top: 30%;
    width: 40%;
    font-family: sans-serif;
    color: white;
    border: 1px solid white;
    padding: 1em;
    font-size: 2em;

    background: rgb(100,100,255);
    border-radius: 10px;
}
.button{
    padding: 0.2em 0.5em;
    display: inline-block;
    border-radius: 4px;
    border: 2px solid white;
}

@media (max-width: 1300px) {
    #popup{
        top: 20%;
        left: 20%;
        width: 60%;
    }
}