*{
    box-sizing: border-box;
}

/**div container**/
#container{
    max-width: 1200px;
    margin: auto;
}

body{
    font-family: Arial, Helvetica, sans-serif;
}

/**header**/
h1{
    font-family: 'Roboto', sans-serif;
}

h2{
    font-family:Arial, Helvetica, sans-serif;
    font-style: italic;
}

nav{
    font-family:Arial, Helvetica, sans-serif;
    text-align:center;
    border:2px solid pink;
    padding: 1em 1em;
    margin:1em 0;
}

nav a{
    
    text-decoration:none;
    color:black;
    margin-right: 1em;
    font-weight: 700;
}

nav a:hover{
    border-bottom: 2px solid pink;
}

h4{
    color: rgb(207, 92, 111);
}

/**div main**/

#main img{
    display: block; 
    margin-left: auto;
    margin-right: auto;
    width: 60%;
    height: auto;
}

h6{
    font-family: 'Roboto', sans-serif; 
    color: rgb(207, 92, 111);
    text-align: center;
    font-size: 2em;
    margin: 1em 1em;
}

/**div intro**/

h3{
    font-family:Arial, Helvetica, sans-serif;
    border:0.5px solid black;
    padding: 0.5em 0.5em;
    margin-top: 2em;
    margin-bottom: 2em;
}

h5{
    color: rgb(207, 92, 111);
    font-size: 100%;
}

u{
    color: rgb(207, 92, 111);
}

#intro img{
    width: 80%;
    height: auto;
}

/**Le pied de page**/

b{
    color:black;
}
footer a{
    color: black;
}
footer{
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
    padding: 1em 1em;
    margin:1em 0;
    background-color: pink;
}

@media screen and (min-width:320px) and (max-width:780px){
    nav{
        display: flex;
        flex-direction:column;
    }

    nav a{
        padding:0.3em;
    }

    p{
        text-align:justify;
        margin-left:0.5em;
        margin-right:0.5em;
    }
    
}