<style type="text/css">
.btn-grad {
    margin: 10px;
    padding: 50px;
    text-align: center;
    text-transform: uppercase;
    transition: 0.5s;
    background-size: 200% auto;
    color: white;
    /* text-shadow: 0px 0px 10px rgba(0,0,0,0.2); */
    box-shadow: 0 0 20px #eee;
    border-radius: 10px;
    display: block;
}
.btn-grad {background-image: linear-gradient(to right, #603813 0%, #b29f94 51%, #603813 100%)}
.btn-grad:hover { background-position: right center; }
</style>