.zim-footer {
    clear:both; 
    background-image:linear-gradient(180deg, #E8E8E8, white); 
    border-top: dashed 2px #AAAAAA; 
    padding: 0.5em 0.5em 0.5em 0.5em; 
    margin-top: 1em;
}

.zim-footer a {
    background-image: url(./external-link.svg);
    background-position: center right;
    background-repeat: no-repeat;
    background-size: 0.857em;
    padding-right: 1em;
}