/* Styles pour l'en-tête */


p { display: block; 
    margin-top: 0px;
    margin-bottom:0px;
    margin-right: 50px;
    margin-left: 5%;
    padding-top:0px;
    padding-bottom:0px;
    color:black;
}

h1 {
    margin: 0;
}

h2 {
    margin-top:0;
}

h3 { margin-bottom: 5px;margin-top:0 ;}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

/* Styles pour la section principale */
main {
    display: flex;
}

header {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

section {
    flex: 2;
    padding: 20px;
}

article {
    background-color: #f4f4f4;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-bottom:20px;
}

article:first-child { margin-right:10px; } /* pour que chaque article ait une marge sur le coté sauf les articles des extrémités */
article:last-child { margin-left:10px; }

article h2 {
    color: #333;
}

/* Styles pour la zone latérale */
aside {
    flex: 1;
    padding: 20px;
    background-color: #eee;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

/* Styles pour le pied de page */
footer {
    background-color: #333;
    color: #fff;
    padding: 20px;
    margin-left:-20px;
    margin-right:-20px;
    text-align: center;
}

@media screen and (max-width: 600px) {
    .column-container {
      display: block;
      margin:0px;
      }
    }
@media screen and (min-width: 600px) {
    .column-container {
    display: flex;
    margin:0px;
        }
    }

.trefoil {
    position: relative;
    width: 200px;
    height: 100px;
  }
  .leaf {
    position: absolute;
    margin-left:20px;
    width: 75px;
    height: 75px;
    background-color: green;
    border-radius: 100% 100% 100% 100% / 100% 100% 100% 100%;
    border-radius: 100% 100% 100% 100% ;
  }
   .leaf p {
    margin-top:15px;
  }
  .leaf.top-left {
    top: 33px;
    left: -20px;
    transform: rotate(0deg);
    background-color: rgba(93, 0, 255, 0.50);
    z-index: 2;
  }
  .leaf.top-right {
    top: 33px;
    left: 20px;
    transform: rotate(0deg);
    background-color: rgba(255, 0, 208, 0.5);
    z-index: 2;
  }
  .leaf.top {
    top: 0px;
    left: 0px;
    transform: rotate(0deg);
    background-color: rgba(0, 255, 38, 0.5);
    z-index: 2;
  }