body{
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0;
    background-image: url('../../images/login/fundo/5.jpg');
    background-size: cover;
}
.principal{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 100vh;
}

@media (max-width: 768px) {
    .principal{
        justify-content: center;
        padding-right: 0;
    }
}

.login{
    background-color: white;
    width: 320px;
    height: 370px;
    border-radius: 10px;
    box-shadow: 0 0 15px 5px #2f2f2f;
    padding: 20px;
}

.btn-login {
    color: #fff;
    background-color: #1a2e3c;
    border-color: #1d4055;
    width: 100%;
    margin-top: 5px;
}

.btn-login:hover, .btn-login:active, .btn-login:focus {
    color: #fff;
    background-color: #1b3c4a;
    border-color: #204c5e;
}

.fa{
    color: #1b3c4a;
}

.input-group{
    margin-top: 10px;
    width: 100%;
}

.form-control{
    font-weight: bold !important;
    font-size: 12px !important;
}