.qty-decrease, .qty-increase {
    display: inline-block;
    vertical-align: top;
    padding: 0.1em 0.3em;
    height: 1em;
    font-size: 3em;
    background: #fff;
    cursor: pointer;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}
.qty-decrease {
    color: #fff;
    text-shadow: 0 1px 0 #666;
}
.qty-increase {
    padding: 0.4em 0.4em;
    height: 1.85em;
    font-size: 1.6em;
}