volumetric-regimes-book/command-line/cover/cover.css

:root{
    --font-size: 12px;
    --line-height: 18px;
    --small-font-size: 10px;
    --small-line-height: 15px;
    --h2-font-size: 21px;
    --h2-line-height: 27px;
    --first-indent: 7mm;
    --second-indent: 20mm;
}

@font-face{
    font-family: "bitter";
    src: url(../fonts/Bitter-Medium.ttf);
    font-weight: normal;
    font-style: normal;
}
@font-face{
    font-family: "bitter";
    src: url(../fonts/Bitter-MediumItalic.ttf);
    font-weight: normal;
    font-style: italic;
}
@font-face{
    font-family: "bitter";
    src: url(../fonts/Bitter-Bold.ttf);
    font-weight: bold;
    font-style: normal;
}
@font-face{
    font-family: "bitter";
    src: url(../fonts/Bitter-BoldItalic.ttf);
    font-weight: bold;
    font-style: italic;
}
@font-face{
    font-family: "bitter_semi";
    src: url(../fonts/Bitter-SemiBold.ttf);
    font-weight: normal;
    font-style: normal;
}

/* general */

body{
    font-family: "bitter";
    font-size: var(--font-size);
    line-height: var(--line-height);
    letter-spacing: 0.01em;
    hyphens: auto;
}

@page{
    size: 324.6mm 229mm; /* Based on calculations: 323.4, based on canvas template: 324.6 ....... */
    orientation: landscape;
    background: linear-gradient(180deg, #3741ea, #c0c1e7);
    margin: 0;
    padding: 0;
    color: white;
    bleed: 3mm; 
    /*marks: crop;*/
}

div.cover,
div.spine,
div.backcover{
    position: relative;
    display: inline-block;
    height: 229mm;
    vertical-align: top;
} 
div.cover,
div.backcover{
    width: 152mm;
    /*border: 1px solid green;*/
}
    div.cover,
    div.cover ul li,
    div.backcover b{
        font-size: var(--h2-font-size);
        font-family: "bitter_semi";
        line-height: var(--h2-line-height);
        letter-spacing: 0.025em;
        color: white;
        font-weight: bold;
    }
    div.cover{
        padding: 6mm 27mm 0 41mm;
        /* margin-top: 17mm, margin-left: 41mm */
    }
        div.cover p.title,
        div.backcover p.title{
            width: 300px;
            hyphens: none;
        }
        div.backcover p.title + p{
            margin-top: -0.75mm !important;
        }
        div.cover ul{
            padding: 0;
            margin: 1.5em 0 !important;
        }
        div.cover ul li{
            margin-bottom: 0.1em !important;
            list-style: none;
        }
        p#multi{
            position: absolute;
            top: 29mm;
            right: 5mm;
            width: 150mm;
            z-index: 1;
        }
    div.backcover{
        padding: 8mm 21mm 0 42mm;
        /* margin-top: 17mm, margin-left: 42mm */
    }
        div.backcover b{
            margin-left: 0; 
        }
        div.backcover p{
            margin-bottom: var(--line-height);
        }
        div.backcover p:first-of-type{
            margin-bottom: 9px !important;
        }
        div.backcover div.barcode img{
            position: absolute;
            width: 45mm;
            right: 14mm; /* margin-right:  14mm */
            bottom: 16mm; /* margin-bottom: 16mm */
        }
        div.backcover div.logo-ohp img{
            position: absolute;
            width: 50mm;
            left: 12mm; /* margin-left: 12mm */ 
            bottom: 17mm; /* margin-bottom: 19mm */
        }

div.spine{
    position: relative;
    width: 19.4mm; /* size of the spine mentioned in template */
}
    div.spine p#title{
        position: absolute;
        top: 25mm;
        transform: rotate(90deg);
        transform-origin: 8% -4%;
        width: 229mm;
        height: 15mm;
        font-size: var(--h2-font-size);
        font-family: "bitter_semi";
        line-height: var(--h2-line-height);
        letter-spacing: 0.025em;
        padding-top: 1mm;
        /*border: 1px solid lime;*/
    }
    div.spine p#multi-small {
        position: absolute;
        top: 114mm;
        width: 18mm;
        height: auto;
        margin: 0 0.7mm;
        padding: 0;
    }
    div.spine p#logo {
        position: absolute;
        bottom: 12mm;
        width: 9mm;
        height: auto;
        margin: 0 5.2mm;
        padding: 0;
    }

div.backcover p#logo-title img,
div.spine p#multi-small img,
div.spine p#multi img,
div.spine p#logo img{
    width: 100%;
}

a,
a:visited,
a:active,
a:hover{
    color: inherit;
    text-decoration: none;
    page-break-inside: avoid;
}