* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}


html {
    font-family: "dm mono", monospace;
    font-weight: 400;
    font-stretch: 100%;
    font-variant-ligatures: none;
    /* Ligature reset */
    max-width: 100%;
    color: var(--main-color);
    scroll-behavior: smooth;
    /*letter-spacing: -0.2px;*/

}


body.white {
    background: whitesmoke;
}


body {
    position: relative;
    background-color: black;
    transition: background 0.8s ease;
    margin: var(--unit-body-margin);
    -epub-hyphens: manual;
    hyphens: manual;
    -webkit-hyphens: manual;
    -ms-hyphens: manual;

}



.header-container {
    position: fixed;
    display: grid;
    grid-template-columns: 2fr 3fr 2fr;
    height: auto;
    width: 60%;
    z-index: 3;
}

.header-background {
    position: fixed;
    top: 0;
    left: 0;
    background-color: whitesmoke;
    width: 100%;
    height: 70px;
    z-index: 2;
}

.section {
    min-height: 80vh;
}


.sticky-container {
    position: relative;
    top: 0;
    overflow-x: hidden;
    color: whitesmoke;
    width: 100%;
}




.scroll-container {
    position: relative;
    top: 0;
    overflow-x: hidden;
    /* background-image: linear-gradient(to bottom, #ffff00, rgba(246, 48, 4, 0.83), #00e1ff);
        background-color: rgb(246, 246, 159) ; */
    width: 100%;
}

.one-col-container {
    max-width: 1000px;
}


.line-space {
    height: var(--zab-6);
}


.book-title-container {
    position: absolute;
    display: flex;
    align-items: center;
    height: 200px;
    max-width: 310px;
    line-height: var(--zab-7);
    font-size: var(--font-size-7);
    z-index: 1;

}

.book-title-container:hover {
    background-color: whitesmoke;

}

.book-pic-container {
    display: block;
    justify-content: center;
    width: 100%;
}


.book-pic {
    display: flex;
    justify-content: center;

}

.book-pic img {
    width: 43%;
    transition: width 0.4s ease;

}

.book-pic img:hover {
    scale: 101%;
}


.book-pic img.active {
    width: 90%;
}





.book-pic:hover {
    background-color: var(--variable-hover-color);
}



.img-flex-container {
    display: flex;
    justify-content: center;
    align-items: center;
    /*background-color: #fafafa;*/
    /*border: dotted 1px #262626;*/
    margin-block-end: var(--square-36);
}


.specification-container {
    display: grid;
    width: 100%;
    justify-content: center;
}



.article {
    /* min-height: 75vh; */
    margin-block-end: calc(var(--square-36) * 2);
}




.four-col-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: var(--variable-border);
    grid-column-gap: var(--square-36);

}


.three-col-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: var(--variable-border);
    grid-column-gap: var(--square-36);

}


–––––– .two-col-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border: var(--variable-border);
    grid-column-gap: var(--square-36);

}

.full-width-container {
    display: block;
    grid-template-columns: 1fr 2fr 2fr;
    grid-column-gap: var(--square-36);
    /*background-color: var(--variable-grey-light);*/
    font-size: var(--font-size-6);
    line-height: var(--zab-7);
    padding: var(--unit-padding-top-bottom)
}

.footer {
    margin-top: 200px;
}

.impressum {

    position: sticky;
    top: 80vh;
}