* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#top {
    position: relative;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

#top::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url(../img/backgroud.jpeg);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.3;
    z-index: -1;
}

#logo {
    max-height: 30vh;
}

.c-100vh {
    min-height: 100vh;
}

@media (min-width: 768px) {
    .c-md-100vh {
        min-height: 100vh;
    }
}

.btn {
    border-radius: 25px;
    padding: 10px 20px;
    font-size: 1.2rem;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #0056b3;
}

h1, h2, p {
    margin-bottom: 1rem;
}

#top h1 {
    margin-bottom: 0.5rem;
}

#top h2 {
    margin-bottom: 0.75rem;
}

#informations h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

#informations p {
    margin-bottom: 0.5rem;
}

#c-facebook {
    color: #0165E1;
    text-decoration: none;
}