div.video {
    width: 100%;
    height: 100vh;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 0;
}
div.video video {
    width: 100%;
    height: 100%;
    position: absolute;
    object-fit: cover;
    z-index: 0;
}

div.about div.texte {
    background: #fff;
    padding: 40px 100px;
}

div.about div.texte h1 {
    text-align: center;
}
div.about div.texte p {
    text-align: justify;
    margin: 10px 0;
    font-size: 1.2em;
}

div.about div.questions {
    margin: 10px 0;
    font-size: 1.2em;
    list-style: none;
    padding: 0;
    display: grid;
    grid-gap: 20px;
    grid-template-columns: repeat(3, 1fr);
}
div.about div.questions div.question {
    background: #fff;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 1px 1px 3px 1px rgba(0,0,0,0.1);
    text-align: center;
}
div.about div.questions div.question span.picto {
    font-size: 3em;
    display: block;
}

div.texte a {
    display: block;
    width: 50%;
    max-width: 300px;
    height: 40px;
    line-height: 40px;
    border-radius: 20px;
    margin: 15px auto; 
    padding: 0;
    background-color: #8a6345;
    color: #fff;
    text-align: center;
    text-decoration: none;
    transition: 0.5s;
}
div.texte a:hover {
    background-color: #222;
    transition: 0.5s;
}