.menu {
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-bottom: 1px solid black;
    background-color: #818d9b;
}
.bouton {
    flex: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 200%;
    color: white;
    text-decoration: none;
}
.logo {
    flex: 1;
    width: 100%;
    text-align: center;
}
.logo img {
    width:100%;
}
a.affiche img {
    width: 100%;
}

.texte {
    width: 60%;
    margin: auto;
    font-size: x-large;
}
.menu a {
    color: white;
    text-decoration: none;            
}
.affiche {
    text-align: center;
}
.affiche img {
    height: 100vh;
}
h1 {
    text-align: center;
}
h2 {
    text-align: center;
}
li {
    margin: 20px;
}
.Rouge {
    color: Red;
}
.Tableau {
    display: flex;
    justify-content: center;
}
table {
    border-collapse: collapse;
}
td,th {
    border: 1px solid black;
    min-width: 150px;
    text-align: center;
}

th {
    background-color: gainsboro;
}

@media screen and (max-width: 800px) {
    .menu {
        display: block;
    }
    .logo img {
        width:50%;
    }
    .affiche img{
        height: auto;
        width: 100%;
    }
    .texte {
        width: 100%;
        font-size: medium;
    }
}