body {
    background: url("../img/bg.jpg") no-repeat;
    background-size: cover;
    background-color: rgba(0,0,0,.8);
    background-blend-mode: overlay;
}

.card {
    border-radius: 0!important;
}

.error {
    color: red;
}

.jumb {
    height: calc(100vh - 65px);
}