.contribuer {
    margin: 30px;
    height: calc(100vh - 60px);
    display: flex; 
    flex-direction: column; 
    justify-content: center;
    align-items: center; 
    text-align: center;
}


.form-btn{
    margin: auto;
    background: var(--accent);
    color: black;
    padding: 0.8em 1.5em;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.form-btn:hover{
    background: #e0a800;
}