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blitz.css
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blitz.css
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@charset "UTF-8";
/*!
Blitz — CSS framework for reflowable eBooks
Version 1.5.2 by Jiminy Panoz
Codename: Cool Under Heat
License: MIT (https://opensource.org/licenses/MIT)
*/
/* NAMESPACES */
@namespace h "http://www.w3.org/1999/xhtml/";
@namespace epub "http://www.idpf.org/2007/ops";
/* if you need to style epub:type */
@namespace m "http://www.w3.org/1998/Math/MathML/";
/* if you need to style MathML */
@namespace svg "http://www.w3.org/2000/svg";
/* if you need to style SVG */
html {
/* Don't use it for styling, used as selector which can take a punch if anything goes wrong above */
}
/* Begin CSS */
/* RESET */
/* So here's the trick, we must reset to manage a number of problems once and for all:
- HTML5 backwards compatibility (EPUB 3 file in EPUB 2 app);
- user settings (e.g. line-height on Kobo and Kindle);
- CSS bloat (DRY);
- KFX for which a reset using `border: 0` seems to disable support;
- etc.
It all started as a normalize and became a reset given the magnitude of the task.
*/
article,
address,
aside,
blockquote,
canvas,
dd,
details,
div,
dl,
dt,
figure,
figcaption,
footer,
h1,
h2,
h3,
h4,
h5,
h6,
header,
hr,
li,
main,
nav,
ol,
p,
pre,
section,
summary,
ul {
margin: 0;
padding: 0;
/* RS may apply vertical padding to el such as p */
font-size: 1em;
/* Font size in pixel disable the user setting in legacy RMSDK */
line-height: inherit;
/* Kindle ignores it, Kobo needs it. If you don’t use inherit, the user setting may be disabled on some Kobo devices */
text-indent: 0;
font-style: normal;
font-weight: normal;
}
/* This is absolutely necessary for backwards compatibility */
article,
aside,
figure,
figcaption,
footer,
header,
main,
nav,
section {
display: block;
}
[hidden] {
display: none;
}
/* [Opinionated] Default to prevent RS from justifying all of these! */
h1,
h2,
h3,
h4,
h5,
h6,
dt,
pre {
text-align: left;
}
/* Following EPUB 3 spec by the letter (applies to RS but let’s make sure it is respected because we never know) */
nav[epub|type~="toc"] ol {
list-style: none !important;
}
/* Kindle does not follow the EPUB 3 spec. */
@media amzn-kf8, amzn-mobi {
nav ol {
list-style-type: none !important;
}
}
/* [Opinionated] Default to prevent bloat in case linear="no" is rendered as linear="yes" */
nav[epub|type~="landmarks"],
nav[epub|type~="page-list"] {
display: none;
}
a,
abbr,
b,
bdi,
bdo,
cite,
code,
data,
del,
dfn,
em,
i,
ins,
kbd,
mark,
q,
rp,
rt,
rtc,
ruby,
s,
samp,
small,
span,
strong,
sub,
sup,
time,
var {
font-size: inherit;
vertical-align: baseline;
font-style: inherit;
/* Taking nesting of inline elements into account (e.g. sup nested in em) */
font-weight: inherit;
/* Taking nestiog of inline elements into account (e.g. em nested in strong) */
color: inherit;
text-decoration: none;
}
q {
quotes: none;
}
/* Trying to prevent blank page if element with margin-bottom at the end of xhtml */
body > :last-child,
body > section > :last-child {
margin-bottom: 0;
}
/* PAGE LAYOUT */
@page {
margin: 30px 30px 20px 30px;
/* Recommended by Barnes & Noble in this old spec: https://simg1.imagesbn.com/pimages/pubit/support/pubit_epub_formatting_guide.pdf */
padding: 0;
}
body {
font-size: 100%;
line-height: 1.5;
margin: 0;
/* RS will override margins anyways */
padding: 0;
widows: 2;
/* iBooks and Kobo support widows and orphans */
orphans: 2;
}
/* TYPOGRAPHY */
h1,
h2,
h3,
h4,
h5,
h6,
blockquote p cite,
dt,
pre,
address,
table,
caption,
th,
td,
.align-left,
.align-center,
.align-right,
.caption,
.no-hyphens {
adobe-hyphenate: none;
/* proprietary for Legacy RMSDK */
-ms-hyphens: none;
-moz-hyphens: none;
-webkit-hyphens: none;
-epub-hyphens: none;
hyphens: none;
}
h1,
h2,
h3,
h4,
h5,
h6,
dt,
hr {
page-break-inside: avoid;
break-inside: avoid;
page-break-after: avoid;
break-after: avoid;
}
@media amzn-kf8 {
h1,
h2,
h3,
h4,
h5,
h6,
dt,
hr {
page-break-inside: auto;
break-inside: auto;
/* Fix blank bug because of page-break-inside: avoid… */
}
}
h1 {
font-size: 1.4375em;
line-height: 1.04347826;
margin-top: 0em;
margin-bottom: 2.08695652em;
}
@media amzn-kf8 {
h1 {
line-height: 1.2;
/* Minimum value Kindle supports */
}
}
@media amzn-mobi {
h1 {
font-size: xx-large;
/* Keywords offer more precision for mobi 7*/
margin: 0 0 3em 0;
/* mobi7 doesn’t support decimal values */
}
}
h2 {
font-size: 1.3125em;
line-height: 1.14285714;
margin-top: 2.28571429em;
margin-bottom: 1.14285714em;
}
@media amzn-kf8 {
h2 {
line-height: 1.2;
/* Minimum value Kindle supports */
}
}
@media amzn-mobi {
h2 {
font-size: x-large;
margin: 2em 0 1em 0;
}
}
h3 {
font-size: 1.125em;
line-height: 1.33333333;
margin-top: 1.33333333em;
margin-bottom: 1.33333333em;
}
@media amzn-mobi {
h3 {
font-size: large;
margin: 1em 0;
}
}
h4 {
font-size: 1em;
line-height: 1.5;
margin-top: 1.5em;
margin-bottom: 0em;
}
@media amzn-mobi {
h4 {
font-size: medium;
margin: 1em 0 0 0;
}
}
h5 {
/* Styles */
}
h6 {
/* Styles */
}
p {
text-indent: 1em;
}
.footnote {
font-size: 0.9375em;
line-height: 1.6;
text-indent: 0;
}
@media amzn-mobi {
.footnote {
font-size: medium;
}
}
blockquote {
margin: 1.5em 5%;
}
@media amzn-mobi {
blockquote {
margin: 1em 5%;
}
}
blockquote p {
text-indent: 0;
font-style: italic;
}
blockquote p i,
blockquote p em,
blockquote p cite {
font-style: normal;
}
address {
/* Styles */
}
/* MICRO TYPOGRAPHY */
a {
text-decoration: underline;
/* Note: KF8 will force this value unless you use "el.class a" */
font-weight: bold;
color: inherit;
-webkit-text-fill-color: inherit;
/* iBooks override (iOS 9 + El Capitan in night mode) */
/* inherit = text color */
}
abbr {
/* Note: Kindle doesn't support that */
}
i,
cite,
dfn,
em {
font-style: italic;
}
/* Get back to normal when italic nested in italic */
i i,
i cite,
i dfn,
i em,
cite i,
cite cite,
cite dfn,
cite em,
dfn i,
dfn cite,
dfn dfn,
dfn em,
em i,
em cite,
em dfn,
em em {
font-style: normal;
}
b,
strong {
font-weight: bold;
}
del,
s {
text-decoration: line-through;
}
mark {
background-color: yellow;
color: inherit;
}
ins {
/* Styles */
}
small {
font-size: 0.8125em;
}
@media amzn-mobi {
small {
font-size: small;
}
}
/* Styling is improved to prevent sub from affecting line-height */
sub {
font-size: 75%;
line-height: 1.2;
vertical-align: sub;
/* Fallback */
vertical-align: -20%;
}
@media amzn-mobi {
sub {
font-size: x-small;
}
}
/* Styling is improved to prevent sup from affecting line-height */
sup {
font-size: 75%;
line-height: 1.2;
vertical-align: super;
/* Fallback */
vertical-align: 33%;
}
@media amzn-mobi {
sup {
font-size: x-small;
}
}
/* i18n */
/* Ruby text */
rt {
font-size: 50%;
/* Line-height may need to be adjusted to fit ruby text. */
text-transform: full-size-kana;
/* Increases the legibility of Japanese ruby characters. */
}
/* FIGURES + IMAGES */
figure {
page-break-inside: avoid;
break-inside: avoid;
margin: 1.5em 0;
}
@media amzn-kf8 {
figure {
page-break-inside: auto;
break-inside: auto;
/* Fix blank bug because of page-break-inside: avoid… */
}
}
figcaption,
.caption {
font-size: 0.9375em;
line-height: 1.6;
text-indent: 0;
}
img {
width: auto;
max-width: 100%;
/* Note: KF8 doesn't support max-width hence "width: auto;" as fallback */
height: auto;
object-fit: contain;
vertical-align: bottom;
/* Remove gap after the image */
}
/* Note: portrait image styling + figcaption is a nightmare */
/* See https://github.com/jstallent/ImagesSingleFile for the css hack */
img.portrait {
width: auto;
max-width: 100%;
/* Note: KF8 doesn't support max-width hence "width: auto;" as fallback */
height: 100%;
/* We try to prevent blank page after */
max-height: 95%;
/* Max value iBooks enforces */
}
.float-left img,
.float-right img {
width: 100%;
/* If it’s auto, image in floating container will overflow on Kobo iOS + Kindle */
}
@supports (height: 99vh) {
img.portrait {
height: 99vh;
}
}
/* LISTS */
ul,
ol {
margin: 1.5em 0;
padding-left: 2em;
}
@media amzn-mobi {
ul,
ol {
margin: 1em 0;
}
}
ol ol,
ol ul,
ul ol,
ul ul {
padding-left: 1em;
}
ul {
list-style-type: disc;
list-style-position: outside;
}
ul ul {
list-style-type: square;
}
ol {
list-style-type: decimal;
list-style-position: outside;
}
ol ol {
list-style-type: lower-roman;
}
/* DEFINITION LISTS */
dl {
margin: 1.5em 0 1.5em 5%;
}
@media amzn-mobi {
dl {
margin: 1em 5%;
}
}
dt {
margin: 1.5em 0 0 0;
font-weight: bold;
}
@media amzn-mobi {
dt {
margin-top: 1em;
}
}
dd {
/* Styles */
}
dt > dfn {
font-style: normal;
font-weight: bold;
}
/* HORIZONTAL RULES — CONTEXT BREAKS */
hr {
width: 25%;
margin-left: 37.5%;
margin-top: 1.4375em;
margin-bottom: 1.4375em;
height: 0;
border: none;
border-top: 0.125em solid currentColor;
/* currentColor = color of text (getting around night mode) */
opacity: 0.5;
/* Opacity -> grayscale. If opacity is declared for too many elements in a XHTML file, performance of legacy RMSDK takes a hit */
}
@media amzn-mobi {
hr {
margin: 1em 0;
}
}
/* Blank-line context change */
hr.transition {
width: 100%;
margin: 0;
height: 1.5em;
border: none;
background: none;
/* Note: overridden in night mode excepted when using linear-gradient */
}
/* Over-engineered asterism with an SVG background
which is legacy RMSDK-compliant, reflows with text and
is night-mode compatible (black asterisk + white border) */
hr.asterism {
width: auto;
border: none;
margin: 1.5em 0;
height: 1.5em;
text-indent: 0;
text-align: center;
background: transparent url("../images/asterism.svg") no-repeat center;
/* Change url if you put asterism in a folder */
background-size: 2.5em 1.25em;
/* RMSDK doesn't support -> won't scale but SVG viewport is OK for a wide range of font-sizes */
overflow: hidden;
/* Fixes legacy RMSDK bug when contents before hr are invisible */
opacity: 0.7;
/* Better border color match in night mode (less disruptive) */
}
/* TABLES */
table {
display: table;
table-layout: auto;
border-collapse: collapse;
border-spacing: 0;
max-width: 100%;
margin: 1.5em auto;
/* Note: legacy RMSDK sets auto to 0, which is permitted in a footnote of the EPUB2 specs */
font-feature-settings: "tnum" 1;
font-variant-numeric: tabular-nums;
}
@media amzn-mobi {
table {
margin: 1em 0;
}
}
caption {
caption-side: top;
/* Note: only value legacy RMSDK supports */
adobe-hyphenate: none;
/* proprietary for Legacy RMSDK */
-ms-hyphens: none;
-moz-hyphens: none;
-webkit-hyphens: none;
-epub-hyphens: none;
hyphens: none;
text-indent: 0;
/* Necessary as RS may define text-indent for p */
text-align: center;
font-weight: bold;
}
tbody {
/* Styles */
}
thead {
/* Styles */
}
tfoot {
/* Styles */
}
tr {
/* Styles */
}
th {
empty-cells: show;
border-bottom: 0.125em solid currentColor;
/* Current color = color of text (inverted in night mode) */
padding: 0.6875em 10px 0.6875em 0;
text-align: left;
font-weight: bold;
}
td {
empty-cells: show;
border-bottom: 0.0625em solid currentColor;
/* Current color = color of text (inverted in night mode) */
padding: 0.75em 10px 0.6875em 0;
text-align: left;
}
.table-fixed {
table-layout: fixed;
}
/* CODE */
pre {
margin: 1.5em 0 1.5em 5%;
word-wrap: break-word;
white-space: pre-wrap;
-ms-tab-size: 2;
-moz-tab-size: 2;
-webkit-tab-size: 2;
tab-size: 2;
}
@media amzn-mobi {
pre {
margin: 1em 0;
}
}
code,
kbd,
samp,
var {
font-family: monospace;
/* Embed a font cos Kobo doesn't provide a monospace */
}
/* MEDIAS */
audio {
/* Styles */
}
video {
/* Styles */
}
canvas,
iframe,
svg,
video {
width: auto;
max-width: 100%;
height: auto;
}
svg {
object-fit: contain;
}
/* CONTAINERS — WRAPPERS */
.wrap-100 {
width: auto;
/* defaults to 100% but takes borders into account = big win since we can’t rely on box-sizing */
margin: 1.5em 0;
}
.wrap-90 {
width: 90%;
margin: 1.5em 5%;
/* Since we can’t use auto (0 in legacy RMSDK), we must center using % */
}
.wrap-80 {
width: 80%;
/* width: 80% -> KF8 bug, see amzn-kf8 query for fix */
margin: 1.5em 10%;
}
.wrap-70 {
width: 70%;
margin: 1.5em 15%;
}
.wrap-60 {
width: 60%;
margin: 1.5em 20%;
}
.wrap-50 {
width: 50%;
margin: 1.5em 25%;
}
.wrap-40 {
width: 40%;
margin: 1.5em 30%;
}
.wrap-30 {
width: 30%;
margin: 1.5em 35%;
}
.wrap-20 {
width: 20%;
margin: 1.5em 40%;
}
.wrap-10 {
width: 10%;
margin: 1.5em 45%;
}
/* Widths */
.w-100 {
width: 100%;
}
.w-90 {
width: 90%;
}
.w-80 {
width: 80%;
}
@media amzn-kf8 {
.w-80 {
width: 78%;
/* Because Kindle developers… */
margin: 1.5em 11%;
}
}
.w-70 {
width: 70%;
}
.w-60 {
width: 60%;
}
.w-50 {
width: 50%;
}
.w-40 {
width: 40%;
}
.w-30 {
width: 30%;
}
.w-20 {
width: 20%;
}
.w-10 {
width: 10%;
}
/* Heights */
.h-100 {
height: 99%;
/* 99.8% cos’ legacy RMSDK applies blank page after if 100% */
}
.h-90 {
height: 90%;
}
.h-80 {
height: 80%;
}
.h-70 {
height: 70%;
}
.h-60 {
height: 60%;
}
.h-50 {
height: 50%;
}
.h-40 {
height: 40%;
}
.h-30 {
height: 30%;
}
.h-20 {
height: 20%;
}
.h-10 {
height: 10%;
}
@supports (height: 100vh) {
/* Can be used for containers and images
but Should be used in combination with .portrait if used for img */
.h-100 {
height: 99vh;
/* Trying to avoid blank page after */
}
.h-90 {
height: 90vh;
}
.h-80 {
height: 80vh;
}
.h-70 {
height: 70vh;
}
.h-60 {
height: 60vh;
}
.h-50 {
height: 50vh;
}
.h-40 {
height: 40vh;
}
.h-30 {
height: 30vh;
}
.h-20 {
height: 20vh;
}
.h-10 {
height: 10vh;
}
}
/* Floats */
/* If there are too many floating elements in a XHTML file,
performance of legacy RMSDK takes a huge hit (± 4 seconds to
render page on eInk devices) */
.float-left {
float: left;
margin: 0 1.5% 0 0;
}
@media amzn-mobi {
.float-left {
float: none;
/* Mobi 7 doesn’t support float */
margin: 1em 0;
text-align: center;
}
}
.float-right {
float: right;
margin: 0 0 0 1.5%;
}
@media amzn-mobi {
.float-right {
float: none;
margin: 1em 0;
text-align: center;
}
}
/* UTILITIES */
/* Display */
.block {
display: block;
}
.inline-block {
display: inline-block;
}
.hidden {
/* Typical usage: EPUB 3 landmarks inline TOC */
display: none;
}
/* May be useful for EPUB 3.1, warning .absolute in ePubCheck in EPUB 3.0.1
.relative {
position: relative;
}
.absolute {
position: absolute;
}
*/
/* Clearings */
.clear {
/* may be useful if an element is floating in a container */
clear: both;
}
.clear-left {
clear: left;
}
.clear-right {
clear: right;
}
/* Bordered content */
.boxed {
border: 0.0625em solid currentColor;
/* Current color = color of text (inverted in night mode) */
padding: 0.6875em;
}
/* Margins */
.no-margin {
margin: 0;
}
.no-margin-top {
margin-top: 0;
}
.no-margin-bottom {
margin-bottom: 0;
}
.no-margin-left {
margin-left: 0;
}
.no-margin-right {
margin-right: 0;
}
.margin-top-s {
margin-top: 0.75em;
}
@media amzn-mobi {
.margin-top-s {
margin-top: 1em;
}
}
.margin-top-m {
margin-top: 1.5em;
}
@media amzn-mobi {
.margin-top-m {
margin-top: 2em;
}
}
.margin-top-l {
margin-top: 3em;
}
@media amzn-mobi {
.margin-top-l {
margin-top: 3em;
}
}
.margin-top-xl {
margin-top: 4.5em;
}
@media amzn-mobi {
.margin-top-xl {
margin-top: 5em;
}
}
.margin-top-xxl {
margin-top: 6em;
}
@media amzn-mobi {
.margin-top-xxl {
margin-top: 6em;
}
}
.margin-bottom-s {
margin-bottom: 0.75em;
}
@media amzn-mobi {
.margin-bottom-s {
margin-bottom: 1em;
}
}
.margin-bottom-m {
margin-bottom: 1.5em;
}
@media amzn-mobi {
.margin-bottom-m {
margin-bottom: 2em;
}
}
.margin-bottom-l {
margin-bottom: 3em;
}
@media amzn-mobi {
.margin-bottom-l {
margin-bottom: 3em;
}
}
.margin-bottom-xl {
margin-bottom: 4.5em;
}
@media amzn-mobi {
.margin-bottom-xl {
margin-bottom: 5em;
}
}
.margin-bottom-xxl {
margin-bottom: 6em;
}
@media amzn-mobi {
.margin-bottom-xxl {
margin-bottom: 6em;
}
}
.margin-left-s {
margin-left: 2.5%;
/* % won't reflow with font-size user setting */
}
.margin-left-m {
margin-left: 5%;
}
.margin-left-l {
margin-left: 7.5%;
}
.margin-left-xl {
margin-left: 10%;
}