.alert {
    position: fixed;
    top: 5px;
    right: 5px;
    width: auto;
    min-width: 300px;
    z-index: 9999;
    display: none;
}
label span{
    color: red;
}
@media screen and (min-width: 576px) {
    label{
        text-align: right;
    }
    .input_box{
        margin-bottom: 12px;
    }
}