*{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;
}
body{
    background-color:#212121;
    color:#fafafa;
    margin:0.5em;
    overflow-x:hidden;
    overflow-y:scroll;
}
img{
    height:calc(50vh - 1em);
    width:auto;
    cursor:pointer;
}
@media screen and (orientation:portrait){
    img{
        width:calc(100vw - 1em);
        height:auto;
    }
}