.ws-button {
    margin:30px 0;
    clear: both;
}


.ws-button.left-button {
    float:left;
}
.ws-button.right-button {
    float:right;
}
.ws-button.center-button {
    display: table;
    margin:30px auto
}
.ws-button.center-button > * {
    display:table-cell;
    vertical-align: middle;
}
@media screen and (max-width:767px) {
}
@media screen and (min-width:768px) {
}