a.payu {
    display: block;
    padding: 15px 15px 15px 60px;
    background: url('../img/payu.png') no-repeat 15px center;
    background-size: 70px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

a.payu:hover {
    background-color: #f5f5f5;
}