body {
    margin: 0px;
    width: 100%;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    overflow-x: hidden;
}

html,
body {
  overflow-x: hidden;
}

header {
    background-color: rgb(0, 0, 0);
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 35px;
}

header .burger {
    width: 40px;
    height: 40px;
    display: flex;
    position: absolute;
    right: 0;
    top: 0;
    margin-top: 40px;
    margin-right: 30px;
    visibility: hidden;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

header .burger span {
    width: 100%;
    height: 4px;
    background-color: burlywood;
    position: relative;
    display: block;
    transition: background 0.4s;
}

header .burger span::before,
header .burger span::after {
    content: "";
    width: 100%;
    height: 4px;
    background-color: burlywood;
    position: absolute;
    transition: transform 0.4s, top 0.4s;
}

header .burger span::before {
    top: -10px;
}

header .burger span::after {
    top: 10px;
}

header .burger.active span {
    background: transparent;
}

header .burger.active span::before {
    transform: rotate(45deg);
    top: 0;
}

header .burger.active span::after {
    transform: rotate(-45deg);
    top: 0;
}

header .nav {
    font-size: 16px;
    display: grid;
    width: 900px;
    grid-template-columns: 140px 110px 110px 180px 190px 160px;
}

header .nav .tab {
    text-align: center;
    padding: 10px 5px 10px 5px;
}

header .nav .tab a {
    text-decoration: none;
    color: white;
}

header .nav .tab a.active {
    background-color: burlywood;
    padding: 12px 10px 12px 10px;
    font-weight: bold;
}

.text-vertical-full {
    color: burlywood;
    transform: rotate(270deg);
    font-size: 18px;
    margin-left: -60px;
    font-weight: bold;
    position: absolute;
    margin-top: 3px;
    padding-left: 3px;
}

.text-vertical-short {
    display: none;
}

.logo-labo {
    margin-left: 35px;
}

@media(max-width:1024px) {

    header {
        display: block;
        height: 120px;
    }

    header img {
        width: 0px;
    }

    header .burger {
        display: flex;
        visibility: visible;
        padding-top: 15px;
    }

    header .nav {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr 1fr 1fr 1fr;
        position: absolute;
        width: 100%;
        left: 0;
        height: 0px;
        overflow: hidden;
        transition: height 1s;
        background-color: rgb(0, 0, 0);
        z-index: 990;
        margin-top: -15px;
    }

    header .nav.active {
        height: 350px;
        margin-top: -15px;
        padding-bottom: 30px;
    }

    .text-vertical-full {
        display: none;
    }

    .text-vertical-short {
        display: block;
        color: burlywood;
        transform: rotate(270deg);
        font-size: 20px;
        margin-left: -90px;
        font-weight: bold;
        position: absolute;
        margin-top: 100px;
        padding-left: 100px;
        z-index: 999;
    }
}