* {
    box-sizing: border-box;
    font-family: sans-serif;
    color: white;
}

header {
    display: flex;
    flex-direction: column;
    margin-bottom: 50px;
}

body {
    background-color: #333333;
    animation: apparition 2s;
    text-align: center;
}

footer {
    font-size: .8em;
    display: block;
    margin-top: 3%;
    padding: 10px;
    background-color: #2c2c2c;
    text-align: center;
}

main {
    position: relative;
    text-align: start;
    display: inline-block;
    margin: auto;
    padding: 1%;
    border: solid #353535;
    border-width: 2em;
    background-color: #383838;
    width: 70vw;
    min-width: 300px;
    max-width: 80%;
    height: 80%;
    min-height: 75vh;
    max-height: 150vh;
}

p {
    display: inline-block;
    margin: 7px;
    font-size: 1.1em;
    width: 100%;
}

h1 {
    text-align: center;
    font-variant: small-caps;
    color: orange;
    background: #383838;
    border: solid 2px orange;
    border-radius: 20px;
    margin: 20px auto;
    width: 60vw;
    padding: 10px;
}

h2 {
    text-align: center;
    color: orange;
    margin-top: 30px;
    width: 100%;
}

h3 {
    text-align: center;
    color: orange;
    margin-top: 20px;
    font-size: 1.35em;
    width: 100%;
}

ul li {
    list-style-type: none;
}

img {
    position: absolute;
    right: 90%;
    width: 7vw;
    opacity: 50%;
    animation: roule 10s infinite;
}

section {
    width: 100%;
    margin: auto;
}

#espacement {
    padding-top: 2vh;
}

@keyframes apparition {
    0% {
        opacity: 0%;
    }
    100% {
        opacity: 100%;
    }
}

@keyframes roule {
    0% {
        transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg);
    }
    100% {
        transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg);
    }
}