@charset "UTF-8"; 
.c-button-back {
    background-color: #fff;
    border: 1px solid #6eb92b;
    color: #6eb92b;
    line-height: 38px;
    margin: 50px auto 0;
    position: relative;
    width: 300px;
}
.c-button-back a {
    display: block;
    text-align: center;
    color: #6eb92b;
}
.c-button-back a:hover {
    opacity: 0.7;
}
.c-button-back:before {
    font-family: 'FontAwesome';
    content: "\f0d9";
    position: absolute;
    left: 12px;
}