.liste{
display: inline-block;
font-size: 40px;
margin-left: 15px;
}
.menu{
    display: inline-block;
    
}
.lien{
    color: white;
   text-decoration:none ;
}
.tete{
    isplay: inline-block;
     
}
.contenu{
margin-left: 5%;
margin-right: 5%;
width: 90%;
border: 4px solid black;
border-radius: 10px;
box-shadow: 0px 0px 5px white;
}
.item{
 width: 30%;  
 display: inline-block; 
 margin-left: 25px;
}
.item:hover{
box-shadow: 0px 0px 10px white;
background-color: black;
color: wheat;
}
.bouton{
 margin-left: 35px;
 background-color: black;
 color: white;
 border-radius: 15px;
}
.paragraphe{
    padding: 10px;
    display: block;
}
.seul{
    margin: 5%;
    width: 90%;
    border-radius: 10px;
}
body{
background-color: blue;
border-radius: 10px;
}
@media screen and (max-width:600px) {
    .item{
        width: 90%;

    }
    body{
        background-color: red;
    }
    .paragraphe{
        display: block;
    }
}