.btn-salao {
    background-color: #86001c;
    color: #fff;
    transition: box-shadow .5s;
}

.btn-salao:hover {
    background-color: #86001c;
    color: #fff;
    box-shadow: 0px 0px 5px rgba(0,0,0,.7);
}

.btn-verde {
    background-color: #297500;
    color: #fff;
    transition: box-shadow .5s;
}

.btn-verde:hover {
    background-color: #297500;
    color: #fff;
    box-shadow: 0px 0px 5px rgba(0,0,0,.7);
}

.btn-100 {
    width: 100%;
}

#back-login {
    background-image: url('../img/back-login.jpg');
    background-size: cover;
    height: 100vh;
}

#form-login {
    background-color: #fff;
    box-shadow: 0px 0px 15px rgba(0,0,0,.7);
    padding: 50px;
}
 .fonte-salao {
     color: #86001c;
 }