* {
    box-sizing: border-box;
}

h1 {
    text-align: center;
    border: solid orange;
    padding: 1.5%;
    margin-bottom: 0%;
    margin-top: 2%;
    width: 100%;
    background-color: orange;
    color: white;
}

body {
    font: 1.0em sans-serif;
    display: flex;
    flex-flow: column wrap;
}

main {
    margin-left: 5%;
    margin-right: 5%;
}

section {
    width: 97%;
    margin-top: 2%;
    margin-left: 1.5%;
    border: orange;
}

nav [href*=".html"] {
    color: white;
    text-decoration: none;
}

[href*=".html"]:hover {
    color: orange;
}

h2 {
    color: orange;
}

nav {
    text-align: center;
    background: black;
    position: relative;
}

nav>ul>li {
    display: inline-block;
    color: white;
    padding: 2%;
    margin-right: 5%;
    font-size: 110%;
}

nav>ul>li>img {
    margin-right: 10em;
}

.container {
    display: flex;
}

.gauche > img {
    width: 70%;
    height: auto;
    margin-top: 8%;
    margin-bottom: 5%;
}

.droite > img {
    width: 70%;
    height: auto;
    margin-top: 8%;
    margin-bottom: 5%;
    margin-left: 20%;
}

.droite {
    flex: 0.8;
    font-size: 100%;
}

.gauche {
    flex: 0.8;
    font-size: 100%;
}

span {
    color: #EC9400;
}

a {
    color: #EC9400;
    font-size: 80%;
}

p {
    background: #EEEEEE;
    padding: 5%;
    border-radius: 20px;
}

.container ul>li {
    background: #EEEEEE;
    padding: 5%;
    border-radius: 20px;
    margin-bottom: 5%;
}

h3+[href*=".html"] {
    color: #EC9400;
    font-size: 80%;
}