body {background-color: #e0e0e0;}
/* ───────── cadre info fete ───────── */ 
        .container {
            display: flex;
        }
        
        .box {
            border: 1px solid #FFF;
            padding: 20px;
            margin: 10px;
            flex: 2;
        }
        
        .white-underline {
            color: white;
            text-decoration: underline;
        }
 /* ───────── video avec bouton ───────── */  
video {
            max-width: 100%;
            height: auto;
        }
button {
            padding: 10px 20px;
            font-size: 16px;
            cursor: pointer;
        } 
 /* ───────── letitre ───────── */  
.letitre { background-color: #f0B0f0;
 padding: 20px;
  width: 550px;
   border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
     font-family: Arial, sans-serif;
 margin: 0 auto;
 text-align: center; } 
     

/* ───────── MAIN LAYOUT ───────── */
    main {
      max-width: 1100px;
      margin: 0 auto;
      padding: 40px 20px 50px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: start;
    }

    @media (max-width: 720px) {
      main { grid-template-columns: 1fr; }
    }