:root {

/* Colors: */

--black: #233546;
--gray: #C3C3C3;
--gray-light: #2335460F;
--white: #FFF;
--green: #1C7E6D; 
}

#copyright {
    background: var(--black);
    padding: 2rem 3rem;
}

.jumbotron {
    margin-bottom: 0 !important;
    border-radius: 0 !important;
}


.connexion_cartouche {
    background: var(--white);
    opacity:0.9;
    color: #2c4657;
    border: 1px solid var(--gray);
    border-radius: 60px 0;
    box-shadow: 0 40px 60px rgba(35,53,70,.06);
    padding: 1.5rem;
    text-align: center;
    margin-right: 30%;
    margin-left: 30%;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.go_btn {
    background: var(--green);
    color: var(--white);
    align-items: center;
    border-radius: 30px;
    cursor: pointer;
    display: inline-flex;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .1em;
    margin: 1rem;
    padding: 1.2rem 2.4rem;
    text-transform: uppercase;
    transition: background .2s,color .2s,border .2s ease-out;
    border-color: #ddd;
}