.ms-block-theme-3d [class*="ms-btn"] {
    box-shadow: inset 0 0 0 2px rgba(255,255,255,0.2);
    text-shadow: 1px 1px 0px rgba(0,0,0,0.2);
    border: 1px solid rgba(0,0,0,0.2);
    border-bottom: 3px solid rgba(0,0,0,0.2);
    transition: all 0.2s !important;
}

.ms-block-theme-3d [class*="ms-btn"]:active {
    box-shadow: inset 0 0 0 2px rgba(255,255,255,0.2);
    text-shadow: 1px 1px 0px rgba(0,0,0,0.2);
    border: 1px solid rgba(0,0,0,0.2);
    transform: translate(0px, 2px);
    border-bottom: 3px solid rgba(0, 0, 0, 0);
}

.ms-block-theme-3d [class*="ms-btn"]:active:before {
    opacity: 0.1;
}