body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #e6e7e957;
}
a {
    text-decoration: none;
    font-weight: bold;
    color: black;
}
header {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-left: 40px;
}
    header h1 {
        margin-left: 24px;
        font-size: 64px;
    }

main {
    display: flex;
    flex-direction: column;
}
    .navigation {
        display: flex;
        justify-content: space-around;
        margin-top: 40px;
        font-size: 32px;
    }
        .navigation .navigation-headers {
            text-align: center;
            font-style: italic;
        }
        .navigation .arborescence-level {
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
        }
            .navigation .arborescence-level .arborescence-witch {
                border: 1px solid #515151;
                border-radius: 12px;
                padding: 8px 16px;
                text-align: center;
                background-color: #ffffff;
                cursor: pointer;
                margin: 12px;
                box-shadow: -8px 8px 8px 0px #d7d7d7;
                display: flex;
                align-items: center;
                justify-content: space-between;
                font-weight: bold;
            }
            .navigation .arborescence-level .arborescence-witch a {
                margin: 0 8px;
            }
            .navigation .arborescence-level.influences .arborescence-witch::after {
                content: "  >";
            }
            .navigation .arborescence-level.derivatives .arborescence-witch::before {
                content: ">  ";
            }
.music-genre {
    position: absolute;
    top: 16%;
    left: 10%;
    max-width: 80%;
    /*max-height: 70%;*/
    background-color: #FFF;
    padding: 15px;
    border: 1px solid #000;
    border-radius: 24px;
    overflow: auto;
    z-index: 30;
    font-size: 32px;
    box-shadow: 0px 0px 16px 8px #eeeeee;
}
    .music-genre a.close {
        cursor: pointer;
    }
    .music-genre .grabber {
        position: absolute;
        background-color: #eeeeee;
        height: 50px;
        width: calc(100% - 88px);
    }
    .music-genre .close {
        position: absolute;
        right: 24px;
        top: 16px;
        font-size: 44px;
    }
    .music-genre h2 {
        margin: 64px 0 2px 24px;
    }
    .music-genre .description {
        padding: 0 16px;
    }
    .music-genre .links {
        display: flex;
        justify-content: space-around;
        margin-bottom: 24px;
    }
        .music-genre .links a.share {
            cursor: pointer;
        }
.form {
    text-align: center;
    margin: 40px auto;
    display: flex;
    justify-content: space-between;
    padding: 0 16px;
}
    .form select {
        font-size: 36px;
    }
        .form select option{
            font-size: 12px;
        }
    .form input {
        width: 400px;
        height: 56px;
        font-size: 36px;
    }
@media screen and (min-device-width: 768px) {
    body {
        margin: 8px 240px;
    }
    header {
        margin-left: 0;
    }
        header img {
            max-height: 100px;
        }
        header h1 {
            margin-left: 8px;
            font-size: 36px;
        }

    .navigation {
        font-size: 16px;
    }
    .music-genre {
        font-size: 16px;
        max-width: 40%;
        top: 160px;
        left: 30%;
        border-radius: 8px;
    }
        .music-genre .grabber {
            height: 24px;
            width: calc(100% - 54px);
        }
        .music-genre .close {
            right: 12px;
            top: 14px;
            font-size: 24px;
        }
        .music-genre h2 {
            margin: 28px 0 0 0;
        }
        .music-genre .description {
            padding: 0;
        }
        .music-genre .links {
            display: flex;
            justify-content: space-between;
            margin: 8px 24px;
        }
    .form select {
        font-size: 16px;
    }
}