.apropos-container{
    max-width:900px;
    margin:auto;
    padding:40px 20px;
    color:#333;
}

h1{text-align:center;margin-bottom:30px;}
.content-block{margin-bottom:35px;line-height:1.7;}
.team-list li{margin-bottom:6px;}

.features li{margin:6px 0;}
.btn-retour{
    background:#315b7f;
    color:white;
    padding:10px 20px;
    text-decoration:none;
    border-radius:8px;
}
.btn-retour:hover{background:#23455f;}
.center{text-align:center;}