.alert-success {
    color: #3C763D;
    background-color: #DFF0D8;
    border-color: #D6E9C6;
    margin-top: 20px;
    text-align: center;
    padding: 10px;
}
.alert-warning {
    color: #8A6D3B;
    background-color: #FCF8E3;
    border-color: #FAEBCC;
}
.alert-danger {
    color: #A94442;
    background-color: #F2DEDE;
    border-color: #EBCCD1;
    margin-top: 3.3rem;
    text-align: center;
    padding: 10px;
}