.views-field-field-comixology-purchase-link a {
        background-color: #415266; /* Green */
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 12px;
    width: 100%!important;
    border-radius: 12px;
    border: 2px solid #333333
    -webkit-transition-duration: 0.4s; /* Safari */
    transition-duration: 0.4s;
    text-transform: uppercase;
    margin-top: 10px;
}

.views-field-field-comixology-purchase-link a:hover {
    background-color: #da2128; /* Green */
    color: white;
}