body {
    margin: 0;
    padding:0;
    background: url("https://s2.qwant.com/thumbr/474x338/7/6/cc8efa88f8a2596f06d1e0ff98314577923ff90a559533431b1b72f527f518/th.jpg?u=https%3A%2F%2Ftse.mm.bing.net%2Fth%3Fid%3DOIP.SV9Z5nN6EOC5FhNNyl0aDgHaFS%26pid%3DApi&q=0&b=1&p=0&a=0");
}

.titre_menu{
    font-size: 30px;
    font-weight: bold;
    color: red;
}

.tete{
    height: 70px;
    margin-top: 120px;
    margin-bottom: 20px;
}

img{
width: 350px;
transition: transform .1s;
}

img:hover{
-ms-transform: scale(1.5); /* IE 9 */
-webkit-transform: scale(1.5); /* Safari 3-8 */
transform: scale(1.5);
}

.principale{
    font-size: 24px;
    }

.menu{
    position: absolute;
    top: 0px;
    width: 100%;
    height: 50px;
    padding-top: 10px;
    margin-top: 0px;
    background-color: #FFFBD4;
    text-align: center;
    background: linear-gradient(#FFF386,#FFFBD4);
    position: fixed;

}
a {
    text-decoration: none;
    font-weight: bold;
    color: #AA8092;
    color: #3333cc;


}

a:hover{
    font-size: 30px;
    font-weight: bold;
    color: #cc33ff;
}

.ligne{


    text-decoration: underline;
}

.collegue{


    text-align: center;
}


}

.titre{
	width:15%;
    height: 40px;
    border:2px solid red;
    text-align: center;
}

.intro{
    background-color: #f9fafb;
    text-align: justify;
    text-justify: inter-word;
    border: 3px solid #808080;
    border-radius: 8px;
    box-shadow: 5px 5px 12px rgba(0,0,0,0.1);
    margin: 0px 30px 20px 30px;
    padding: 10px 30px 10px 30px;
}