body{
    padding-top: 1.3em;
    padding-bottom: 1.3em;
}
#GoBack{
    font-size: 150%;
    width: 4.5em;
    margin-top: 0;
    margin-bottom: 1.0em;
    margin-left: 1.0em;
    display: inline-block;
}
img{
    margin-left: auto;
    margin-right: auto;
    width: auto;
    max-width: 80vw;
    display: block;
}
.purple{
    margin-left: 3em;
    margin-right: 3em;
}
.list{
    margin-bottom: 2em;
}
@media (max-width:950px) {
    .purple{
        margin-left: 1em;
        margin-right: 1em;
    }
    #GoBack{
        margin-left: 0.5em;
    }
}