#msg{
    margin-top:20px;
    padding:15px;
    border-radius:10px;
    display:inline-block;
    opacity:0;
    transition:.4s;
}

#msg.success{
    opacity:1;
    background:#d8f8d8;
    color:#2b6b2b;
}

#msg.error{
    opacity:1;
    background:#ffd8d8;
    color:#8d1c1c;
}