backtalk.css

/***********************************************************
 * config
 */

:root {
  --base-size: 0.3625rem;

  --size-1: calc(1 * var(--base-size));
  --size-2: calc(2 * var(--base-size));
  --size-3: calc(4 * var(--base-size));
  --size-4: calc(8 * var(--base-size));
  --size-5: calc(16 * var(--base-size));
}

/***********************************************************
 * reset
 * modern-normalize v2.0.0 | MIT License | https://github.com/sindresorhus/modern-normalize
 */

*,
::after,
::before {
  box-sizing: border-box
}

html {
  font-family: system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4
}

body {
  margin: 0
}

hr {
  height: 0;
  color: inherit
}

abbr[title] {
  text-decoration-line: underline;
  text-decoration-style: dotted;
}

b,
strong {
  font-weight: bolder
}

code,
kbd,
pre,
samp {
  font-family: ui-monospace, SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 1em
}

small {
  font-size: 80%
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline
}

sub {
  bottom: -.25em
}

sup {
  top: -.5em
}

table {
  text-indent: 0;
  border-color: inherit
}

button,
input,
optgroup,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
  margin: 0
}

button,
select {
  text-transform: none
}

[type=button],
[type=reset],
[type=submit],
button {
  -webkit-appearance: button
}

::-moz-focus-inner {
  border-style: none;
  padding: 0
}

:-moz-focusring {
  outline: 1px dotted ButtonText
}

:-moz-ui-invalid {
  box-shadow: none
}

legend {
  padding: 0
}

progress {
  vertical-align: baseline
}

::-webkit-inner-spin-button,
::-webkit-outer-spin-button {
  height: auto
}

[type=search] {
  -webkit-appearance: textfield;
  outline-offset: -2px
}

::-webkit-search-decoration {
  -webkit-appearance: none
}

::-webkit-file-upload-button {
  -webkit-appearance: button;
  font: inherit
}

summary {
  display: list-item
}

/***********************************************************
 * core styles
 */

* {
  margin: 0;
  padding: 0;
}

body {
  -webkit-hyphens: auto;
  -webkit-hyphenate-limit-before: 3;
  -webkit-hyphenate-limit-after: 3;
  -webkit-hyphenate-limit-chars: 6 3 3;
  -webkit-hyphenate-limit-lines: 2;
  -webkit-hyphenate-limit-last: always;
  -webkit-hyphenate-limit-zone: 8%;

  hyphens: auto;
  hyphenate-limit-chars: 6 3 3;
  hyphenate-limit-lines: 2;
  hyphenate-limit-last: always;
  hyphenate-limit-zone: 8%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  text-wrap: balance;
}

p,
li {
  text-wrap: pretty;
}

.display-none {
  display: none;
}

.visually-hidden {
  border: 0;

  clip: rect(0 0 0 0);

  width: 1px;
  height: auto;

  margin: 0;
  padding: 0;

  overflow: hidden;

  position: absolute;
  white-space: nowrap;
}

/***********************************************************
 * components
 */

/* cluster */

.cluster-1,
.cluster-2,
.cluster-3,
.cluster-4,
.cluster-5 {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
}

.cluster-1 {
  gap: var(--size-1);
}

.cluster-2 {
  gap: var(--size-2);
}

.cluster-3 {
  gap: var(--size-3);
}

.cluster-4 {
  gap: var(--size-4);
}

.cluster-5 {
  gap: var(--size-5);
}

/* stack */

.stack-1>*,
.stack-2>*,
.stack-3>*,
.stack-4>*,
.stack-5>* {
  margin-top: 0;
  margin-bottom: 0;
}

.stack-1>*+* {
  margin-top: var(--size-1);
}

.stack-2>*+* {
  margin-top: var(--size-2);
}

.stack-3>*+* {
  margin-top: var(--size-3);
}

.stack-4>*+* {
  margin-top: var(--size-4);
}

.stack-5>*+* {
  margin-top: var(--size-5);
}

/* center */

.center {
  box-sizing: content-box;

  margin-left: auto;
  margin-right: auto;

  padding-left: var(--size-3);
  padding-right: var(--size-3);
}

/* prose */

.prose blockquote>* {
  /* same as stack-3 */
  margin-top: 0;
  margin-bottom: 0;
}

.prose blockquote>*+* {
  /* same as stack-3 */
  margin-top: var(--size-3);
}

.prose ul:has(p)>*,
.prose ol:has(p)>* {
  /* same as stack-3 */
  margin-top: 0;
  margin-bottom: 0;
}

.prose ul:has(p)>*+*,
.prose ol:has(p)>*+* {
  /* same as stack-3 */
  margin-top: var(--size-3);
}

.prose ul:has(p) p+p,
.prose ol:has(p) p+p {
  margin-top: var(--size-3);
}