PdfCSS:Tools shape practice shapes tools...

@page{
    size: A7;
}
@page:left{
    margin: 4mm 14mm 10mm 8mm;
}
@page:right{
    margin: 4mm 8mm 10mm 14mm;    
}
div#cover{
    break-after: always;
}
div.section{
    break-before: always;
}
div#toc ul > li.tocsection-1,
div#toc span.tocnumber{
    display: none;
}
h2{
}
a{
    word-break: break-word;
}
/* images */
div.center{
}
div.thumb{
    break-before: always;
    break-inside: avoid;
    height: 90%; /* hacky*/
    background-color: yellow;
    max-width: 75mm;
    display: block;
    margin: 0 auto 1em;
}
div.thumb div.thumbinner{
    width: unset !important;
}
div.thumb img{
    max-width: 100%;
    height: auto;
}
div.thumbcaption{
    font-size: small;
}