<style>
    /* CSS Reset */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    /* Couleurs    --text-color: #005783      #3498db       #0073e7   --header-bg:  linear-gradient(#FAE0C5, #FAD8B5);      footer #ff5722; #F89B89; */
    :root {
        --header-bg: #EC8B5E;
        --main-bg: #f0f0f0;
        --footer-bg: #141A46;
        --text-color: #141A46;
        --link-color: #141A46;
    }

    /* Styles globaux */
    body {
        font-family: Arial, sans-serif;
        line-height: 1.6;
        background-color:#f0f0f0;
    }

    a {
        text-decoration: none;
        color: var(--link-color);
    }

    /* Header */
    header {
        background: var(--header-bg);
        padding: 0 80px 0 50px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom-left-radius: 20px;
        border-bottom-right-radius: 20px;
        font-weight:bold;
    }

    header .logo {
        color: var(--text-color);
        font-size: 24px;
        font-weight: bold;
    }

    header nav {
        display: flex;
        position: relative;
    }

    header nav a {
        color: var(--text-color);
        margin-left: 20px;
    }

    /* Menu déroulant */
    .dropdown {
        position: relative;
        display: inline-block;
    }

    .dropdown-content {
        display: none;
        position: absolute;
        background-color: #f1f1f1;
        min-width: 190px;
        box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2);
        z-index: 1;
    }

    .dropdown-content a {
        color: black;
        padding: 12px 16px;
        text-decoration: none;
        display: block;
    }

    .dropdown-content a:hover {
        background-color: #ddd;
    }

    .dropdown:hover .dropdown-content {
        display: block;
    }

    /* Main */
    main {
        background: var(--main-bg);
        padding: 20px;
    }

/* Zone de texte */
    .text-zone {
        padding: 20px;
        background-color: #f0f0f0;
        text-align: center;
    }

    .columns {
        display: flex;
        justify-content: space-between;
    }

.column {
        flex: 1;
        padding: 5px;
        margin: 0 10px;
        background: rgb(253,253,253);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
        border-radius: 10px;
    }

    .columnMain {
        flex: 4;
        padding: 20px;
        margin: 0 10px;
        background: #dddddd;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
        border-radius: 10px;
    }

    /* Footer */
    footer {
        background: var(--footer-bg);
        color:white;
        padding: 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-top-left-radius: 20px;
        border-top-right-radius: 20px;
    }

    footer a {
        color: white;
        margin-left: 20px;
    }
    .content p {
      border:1px solid #333;
      background-color:white;
      padding:10px;
      font-size: 1.2rem;
      line-height: 1.8;
      color: #333;
      margin-bottom: 15px;
      opacity: 0;
      transform: translateY(20px);
      transition: all 1s ease-in-out;
    }

    .content p.visible {
      opacity: 1;
      transform: translateY(0);
    }
</style>
