*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family: Arial, sans-serif;
}

body{
    background-color:#f4f4f4;
    color:#333;
}

/* Header */

header{
    background:#222;
    color:white;
    text-align:center;
    padding:20px;
}

nav ul{
    list-style:none;
    margin-top:10px;
}

nav ul li{
    display:inline-block;
    margin:10px;
}

nav ul li a{
    color:white;
    text-decoration:none;
    font-weight:bold;
}

nav ul li a:hover{
    color:#00adb5;
}

/* Sections */

section{
    background:white;
    margin:30px;
    padding:25px;
    border-radius:10px;
    box-shadow:0 0 10px rgba(0,0,0,0.1);
}

h2{
    margin-bottom:15px;
    color:#00adb5;
}

/* Image */

#apropos img{
    width:150px;
    border-radius:50%;
    margin-bottom:15px;
}

/* Liste */

ul li{
    margin:8px 0;
}

/* Tableau */

table{
    width:100%;
    border-collapse:collapse;
    margin-top:10px;
}

table th, table td{
    border:1px solid #ddd;
    padding:10px;
    text-align:center;
}

table th{
    background:#00adb5;
    color:white;
}

/* Footer */

footer{
    background:#222;
    color:white;
    text-align:center;
    padding:15px;
    margin-top:30px;
}