body {
    background-image: url(images/fond.png);
    background-repeat: repeat-y;
    background-position: center top;
    font-family: Verdana;
    color: #393939;
    font-size: 13px;
}

a {
    color: #E3532D;
    text-decoration: underline;
}

header {
    width: 920px;
    height: 135px;
    margin: auto;
    background-color: #FFFFFF;
    display: flex;
}

.logo {
    margin: 20px auto auto 20px
}

.header {
    position: top right;
}

nav {
    width: 920px;
    height: 27px d;
    margin: auto;
    background-color: #000000;
    display: flex;
}

.boite {
    color: white;
    width: 20%;
    padding: 5px 10px 5px 10px;
    text-align: center;

}

main {
    width: 920px;
    margin: auto;
    background-color: #FFFFFF;
    display: flex;
}

article {
    width: 280px;
    padding-left: 10px;
}

aside {
    width: 600px;
    padding-left: 10px;
}

h1 {
    background-color: #E3532D;
    color: #FFFFFF;
    font-size: 24px;
}

h2 {
    color: #E3532D;
    text-decoration: underline;

}

.chercheur {
    display: block;
    margin: auto;
}

.legend {
    text-align: center;
    color: grey;
    font-style: italic;
}

.fil {
    padding: 5px;
    border: 1px solid #E3532D;
    text-align: justify;
}

.semis {
    font-weight: bold;
    text-decoration: underline;
}

.groupe {
    color: #E3532D;
    text-decoration: underline;
}