.dialpad-buttons {
    white-space: nowrap;
    overflow: hidden;
}

.dialpad-buttons .button {
    margin: 4px;
    line-height: 16px;
    width: 1.5em;
    height: 1.5em;
}
.dialpad-buttons .button .dialpad-number {
    padding-top: 8px;
    display: block;
    font-size: 16px;
    font-weight: bold;
}
.dialpad-buttons .button .dialpad-characters {
    display: block;
    font-size: 9px;
    text-transform: uppercase;
}