div {
    z-index: 100;
}

a[symbol="true"]::after {
    content: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAQElEQVR42qXKwQkAIAxDUUdxtO6/RBQkQZvSi8I/pL4BoGw/XPkh4XigPmsUgh0626AjRsgxHTkUThsG2T/sIlzdTsp52kSS1wAAAABJRU5ErkJggg==);
    margin: 0 3px 0 5px;
}

.footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
}

.content {
    padding: 16px;
}

.sticky {
    position: fixed;
    top: 0;
    width: 100%;
}

.sticky + .content {
    padding-top: 102px;
    z-index: 1000;
}