body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: black;
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #333;
    padding: 0.5em 1em;
    color: white;
    text-align: center;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1em;
    margin: 0;
    text-align: center;
}

.nav-links a {
    text-decoration: none;
    color: white;
    transition: color 0.3s;
    text-align: center;
}

.nav-links a:hover {
    color: #00bcd4;
    text-align: center;
}

#GroupProject figure {
    background: white;
    border-radius: 12px;
    padding: 1em;
    margin: 1em 0;
    box-shadow: 0 2px 8px rgba(0.0.0.0.1);
    text-align: center;
}
#GroupProject img {
    max-width: 100%;
    border-radius: 8px;
    text-align: center;
}

#GroupHome, #GroupAbout, #GroupProject {
    background-image: repeating-linear-gradient(to left, violet, indigo, blue, green, yellow, orange, red);
    align-items: center;
    padding: 1em;
    border: 10px solid black;
    border-radius: 50px;
    color: black;
    max-width: 900px;
    margin: 2em auto;
    padding: 1.5em;
    text-align: center;
}

#Carré {
    position: fixed;
    bottom: 0;
     width: 100%; 
     height: 100px;
     background: linear-gradient(to left,violet, indigo, blue, green, yellow, orange, red, orange, yellow, green, blue, indigo, violet);
     background-size: 200% 100%;
     animation: rainbow-slide 4s linear infinite ;
} 
@keyframes rainbow-slide {
    0% { background-position: 0% 0%;}
    100% {background-position: 200% 0%;}
}

#Carré img {
    object-position: 0em -3.125em;
}
#Image {
    width: 1.563em;
    height: 1.563em;
}