*, a, a:hover {
    color: #1e376d;
}
a {
    text-decoration: none;
}
body {
    background-color: #51cdc9;
    text-align: center;
}
@media (min-width: 992px) {
    body {
        background: url('../images/bg-widescreen.png');
        min-height: 100vh;
        background-size: contain;
        background-color: #51cdc9;
        background-repeat: no-repeat;
        background-position: center;
    }
}
@media (max-width: 992px) {
    body {
        background: url('../images/bg-phone.jpg');
        min-height: 100vh;
        background-size: contain;
        background-color: #51cdc9;
        background-repeat: no-repeat;
        background-position: center;
    }
    .logo {
        margin-top: -20vh;
    }
}
.container-fluid {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    min-height: 100vh;
}
.logo {
    text-align: center;
}
.logo img {
    width: 200px;
    height: auto;
    margin-bottom: 80px;
}