.button {
    min-width: 130px;
    display: inline-block;
    position: relative;
    margin: 8px auto;
    padding: 10px 15px;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 3px;
    background-color: transparent;
    opacity: 0.9;
    overflow: hidden;
}
.btnHover:before, .btnHover:after {
    content: '';
    width: 0;
    height: 100%;
    position: absolute;
    top: 0;
    z-index: -1;
}
.btnHover:before {
    left: 50%;
}
.btnHover:after {
    right: 50%;
}
.btnHover:hover:before, .btnHover:hover:after {
    width: 50%;
    opacity: 1;
    -webkit-transition: all 1s;
    transition: all 1s;
}
/* Cta blanc */
.btnWhite {
    border: 1px solid #fff;
    color: #fff !important;
}
.btnWhite:hover {
    color: #262626 !important;
}
.btnHover.btnWhite:before, .btnHover.btnWhite:after {
    background-color: #fff;
}
.btnHover.btnWhite:hover {
    border-color: #fff;
}
/* Cta Doré */
.btnGold {
    border: 1px solid #bfb195;
    color: #bfb195 !important;
}
.btnGold:hover {
    color: #fff !important;
}
.btnHover.btnGold:before, .btnHover.btnGold:after {
    background-color: #bfb195;
}
.btnHover.btnGold:hover {
    border-color: #bfb195;
}
@media screen and (min-width: 768px) {
    .button{
        margin: 0 auto 1.5rem auto;
    }
}