.DonateButton {
    display: inline-block;
    padding: 12px 8px;
    width: 140px;
    background: -moz-linear-gradient(#F00, #F00);
    background: -o-linear-gradient(#F00, #F00);
    background: -webkit-linear-gradient(#F00, #F00);
    background: linear-gradient(#F00, #F00);
    color: #fff;
    font: normal 700 20px/1"Helvetica",sans-serif;
    text-align: center;
}
.DonateButton:hover {
    background:white;
    color:red;
}