html {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: url(https://clementvilla.fr/img/donne-couleur-fond.jpg) no-repeat;
    overflow-y: hidden;
    height: 100vh;
}

::selection {
    color: #fff;
    background: #7203a5;
    }

@media screen and (max-width: 800px) {
    html {
        background-position: bottom-left;
    }
}

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    flex-direction: column;
}

header {
    display: block;
    margin: auto;
    width: fit-content;
}

h1 {
    font-family: 'Fredoka One', cursive;
    font-size: 50px;
    margin: 0;
    text-align: center;
}

form {
    display: flex;
    justify-content: center;
    margin: 50px;
    flex-wrap: wrap;
}

label, #idC1, #idC2 {
    padding: 0 5px;
}

#idC1, #idC2 {
    height: 30px;
    border: 2px solid black;
}

label {
    font-family: 'Glory', sans-serif;
    font-size: 18px;
    font-weight: bold;
}

.couleur1, .couleur2 {
    padding: 15px;
    text-align: center;
}

#tableau {
    display: block;
    margin: auto;
    width: 60%;
}

#divCouleur1, #divCouleur2, #divCouleurMelange, #divCouleurMoyenne {
    padding:15px;
    color: aliceblue;
    margin: 15px;
    border-radius: 15px;
}

p.sans-marge {
    margin: 0;
    padding: 5px;
}