body {
    background: linear-gradient(to right, #d4c4a8, #a89985);
} 

.bordure {
    border: 5px solid; 
    border-color: rgb(255, 255, 255);
    border-width: 0,25cm;
    }
    
    .bordure-N {
        border: 5px solid; 
        border-color: rgb(0, 0, 0);
        border-width: 0,25cm;
        }

    .image-row {
        display: flex;
        justify-content: space-around;
        display: flex ;
        flex-wrap: wrap;
    }

.image-row img {
        width: 200px; 
        height: auto;
    }

.element {
        border-top: 10px #ffffff double;
        border-right: 10px #ffffff double;
        border-bottom: 10px #ffffff double;
        border-left: 10px #ffffff double;
        font-size: 30px;
        background-color: rgb(3, 3, 3);
        border-radius: 15px;
        box-shadow: 0px 0px 0px rgb(0, 0, 0);
        padding: 30px;
    }

    .x1{
        color: rgb(255, 255, 255)
    }

 
    body {
        font-family: Arial, sans-serif;
        margin: 0;
        padding: 0;
        background-color: #f4f4f4;
    }

   
    nav {
        background-color: #333;
        overflow: hidden;
    }

    nav a {
        float: left;
        display: block;
        color: white;
        text-align: center;
        padding: 14px 20px;
        text-decoration: none;
    }

    nav a:hover {
        background-color: #000000;
        color: rgb(252, 182, 102);
    }

 
    .title-container {
        background-color: rgb(252, 182, 102);
        color: black;
        text-align: center;
        padding: 50px 20px;
    }

    h1 {
        font-size: 3em;
        margin: 0;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }