body {
    margin: 0;
    overflow: hidden;
    background: #0d0d0d;
    font-family: "Trebuchet MS";
    color: white;
    text-align: center;
}
#triangles {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}
.triangle {
    position: absolute;
    width: 0;
    height: 0;
    pointer-events: none;
}
#content {
    position: absolute;
    top: 50%;
    left: 50%;

    transform: translate(-50%, -50%); /* centre parfaitement */
    text-align: center;

    z-index: 5; /* au-dessus des triangles */
    width: 100%;
}
img {
    border-radius: 75px;
}
h2 {
    font-size: 18px;
}
#links {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;           
    justify-content: center; 
    gap: 15px;                
}
#links a {
    background-color: white;
    font-size: 20px;
    border-radius: 10px;
    padding: 10px 20px;
    color: slateblue;
    text-decoration: none;
    font-weight: bold;
    transition: 0.2s;
}

#links a:hover {
    transform: scale(1.05);
    background: #eee;
}