html, body {
    height: 100%;
}

#main {
    min-height: 100%;
}

#main {
    background-image: url("../img/bg.jpg");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-color: #212121;
    margin-top: 0;
    top: 0;
    padding: 0;
    padding-top: .5em;
    min-width: 550px;
}

.navbar {
    background-color: rgba(0,0,0,.5);
    position: absolute;
    font-size: .8em;
    
}
.nav-link {
    color: #FFF!important;
    text-decoration: none;
    
}

.navbar-expand .navbar-nav .nav-link {
    padding: 0;
}

.nav-item:last-child {
    border-right: none!important;
}

.text-red {
    color: #ab2c4a
}

.btn.btn-red {
    color: #FFF!important;
    text-transform: uppercase;
    background-color: #ab2c4a!important;
    padding: .1em 2em;
}

.form {
    width: 500px;
    height: 350px;
    box-sizing: border-box;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-image: url("../img/linhas-formulario.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
}

#msgAgradecimento {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 30px;
    border: 1px #FFF solid;
    padding: 20px 30px;
    font-size: 2em;
    margin: 40px auto;
    font-weight: 500;
}
#texto-secundario > p{
    width: 25%;
    margin-left: auto;
    margin-right: auto;
}

.nav-border {
    border-left: 1px solid #FFF;
    border-right: 1px solid #FFF;
}

.validation {
    border: 1px solid #ab2c4a!important;
    box-shadow: 0 0 5px #ab2c4a!important;
}

@media (max-width: 1366px) {
    h1.display-3 {
        font-size: 3em!important;
        margin-top: 0!important;
        margin-bottom: 15px!important;
    }

    #bg {
        margin-top: 20px!important;
    }

    .text-novalinha {
        font-size: 2em;
    }
}

@media (max-width: 767px) {
    h1.display-3 {
        font-size: 2em!important;
        margin-top: 0!important;
        margin-bottom: 15px!important;
    }

    .text-novalinha {
        font-size: 1.5em;
    }

    #texto-secundario > p{
        width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .navbar .container {
        flex-direction: column;
    }

    .navbar-expand .navbar-nav {
        justify-content: center;
        text-align: center;
        flex-direction: column!important;
    }

    .nav-border {
        border: none!important;
    }

    .btn-red {
        display: block;
        margin: .5em auto;
    }

    .navbar-expand .navbar-nav .nav-link {
        padding: 10px 0;
    }
}