/* ===== TEXT ===== */
h1 {
    text-align: center;
    font-size: 150%;
}
h2 {
    margin-left: 28%;
    font-size: 125%;
}
h4 {
    margin-left: 25%;
    font-size: 110%;
}
/* ===== TITRE COULEUR ===== */
.title_site { color: #106EBE; }
/* ===== BOUTTONS ===== */
.btn4, .btn5, .btn6 {
    position: absolute;
    padding: 10px 18px;
    border-radius: 8px;
    background: #1f1f1f;
    color: #f1f1f1;
    text-decoration: none;
    font-weight: 80%;
    display: inline-flex;
    gap: 10px;
    border: 1px solid #2b2b2b;
    transition: 
        transform 0.25s ease, 
        box-shadow 0.25s ease, 
        background 0.25s ease;
}
.btn4 { margin-left: 10%; }
.btn5 { margin-left: 30%; }
.btn6 { margin-left: 50%; }
.btn4:hover, .btn5:hover, .btn6:hover {
    transform: translateY(-2px);
    background: #242424;
    box-shadow: 0 10px 30px rgba(255,159,67,0.4);
}