.buton-trei {
    background-color: #c90f0f !important;
    border-color: #cf0a0a #c70909 #c70909 !important;
    box-shadow: 0 1px 0 #c70909 !important;
    color: #fff !important;
    text-decoration: none !important;
    text-shadow: 0 -1px 1px #c70909, 1px 0 1px #c70909, 0 1px 1px #c70909, -1px 0 1px #c70909 !important;
    
}