.vh-button-bottom .ui-button {
    width:100px;
    height:100px;
    border-radius: 0;
    border: 1px solid #dbdbdb;
    border-collapse: collapse;
}

.vh-button-bottom .ui-button .ui-button-text {
    top: 25px;
    position: relative;
    font-weight: bold;
    display: inline;
}