Octane Example: Kitchen Sink

* {
  box-sizing: border-box;
}
body {
  max-width: 960px;
  margin: 24px auto;
  padding: 0 16px;
  font-family: system-ui, sans-serif;
  line-height: 1.5;
  color: #333;
  background: #f5f5f5;
}
header {
  margin-bottom: 24px;
}
h1 {
  color: #06c;
  font-size: 28px;
}
h2 {
  font-size: 22px;
}
h3 {
  font-size: 18px;
}
h1,
h2,
h3 {
  margin: 0 0 12px;
}
p {
  margin: 12px 0;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}
nav a {
  padding: 6px 12px;
  border-radius: 4px;
  color: #06c;
  text-decoration: none;
}
nav a:hover {
  background: #e8f2ff;
}
nav .active {
  background: #06c;
  color: white;
}
section {
  margin: 20px 0;
  padding: 24px;
  background: white;
  border: 1px solid #ddd;
  border-radius: 8px;
}
button,
input,
select,
textarea {
  font: inherit;
}
button {
  padding: 6px 12px;
  margin: 0 6px 6px 0;
  background: #f8f8f8;
  border: 1px solid #bbb;
  border-radius: 4px;
  cursor: pointer;
  color: inherit;
}
button:hover:not(:disabled) {
  background: #e8f2ff;
  border-color: #06c;
}
button:disabled {
  opacity: 0.5;
  cursor: default;
}
label {
  display: block;
  margin: 12px 0;
}
input:not([type='checkbox']):not([type='range']),
select,
textarea {
  padding: 6px 8px;
  border: 1px solid #bbb;
  border-radius: 4px;
  background: white;
  color: inherit;
  max-width: 100%;
}
input[type='checkbox'] {
  accent-color: #06c;
}
fieldset {
  margin: 16px 0;
  border: 1px solid #ccc;
  border-radius: 4px;
}
legend {
  font-weight: 600;
}
textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
}
kbd {
  display: inline-block;
  margin: 0 2px;
  padding: 1px 5px;
  background: #f2f2f2;
  color: #333;
  border: 1px solid #ccc;
  border-bottom-width: 2px;
  border-radius: 3px;
  font-size: 0.85em;
}
code {
  font-size: 0.9em;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
}
th,
td {
  padding: 8px;
  border-bottom: 1px solid #ddd;
  text-align: left;
  overflow-wrap: anywhere;
}
th {
  background: #f8f8f8;
}
small {
  color: #666;
}
:focus-visible {
  outline: 2px solid #06c;
  outline-offset: 2px;
}
@media (max-width: 600px) {
  section {
    padding: 16px;
  }
  nav {
    gap: 4px;
  }
}
* {
  box-sizing: border-box;
}
body {
  max-width: 960px;
  margin: 24px auto;
  padding: 0 16px;
  font-family: system-ui, sans-serif;
  line-height: 1.5;
  color: #333;
  background: #f5f5f5;
}
header {
  margin-bottom: 24px;
}
h1 {
  color: #06c;
  font-size: 28px;
}
h2 {
  font-size: 22px;
}
h3 {
  font-size: 18px;
}
h1,
h2,
h3 {
  margin: 0 0 12px;
}
p {
  margin: 12px 0;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}
nav a {
  padding: 6px 12px;
  border-radius: 4px;
  color: #06c;
  text-decoration: none;
}
nav a:hover {
  background: #e8f2ff;
}
nav .active {
  background: #06c;
  color: white;
}
section {
  margin: 20px 0;
  padding: 24px;
  background: white;
  border: 1px solid #ddd;
  border-radius: 8px;
}
button,
input,
select,
textarea {
  font: inherit;
}
button {
  padding: 6px 12px;
  margin: 0 6px 6px 0;
  background: #f8f8f8;
  border: 1px solid #bbb;
  border-radius: 4px;
  cursor: pointer;
  color: inherit;
}
button:hover:not(:disabled) {
  background: #e8f2ff;
  border-color: #06c;
}
button:disabled {
  opacity: 0.5;
  cursor: default;
}
label {
  display: block;
  margin: 12px 0;
}
input:not([type='checkbox']):not([type='range']),
select,
textarea {
  padding: 6px 8px;
  border: 1px solid #bbb;
  border-radius: 4px;
  background: white;
  color: inherit;
  max-width: 100%;
}
input[type='checkbox'] {
  accent-color: #06c;
}
fieldset {
  margin: 16px 0;
  border: 1px solid #ccc;
  border-radius: 4px;
}
legend {
  font-weight: 600;
}
textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
}
kbd {
  display: inline-block;
  margin: 0 2px;
  padding: 1px 5px;
  background: #f2f2f2;
  color: #333;
  border: 1px solid #ccc;
  border-bottom-width: 2px;
  border-radius: 3px;
  font-size: 0.85em;
}
code {
  font-size: 0.9em;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
}
th,
td {
  padding: 8px;
  border-bottom: 1px solid #ddd;
  text-align: left;
  overflow-wrap: anywhere;
}
th {
  background: #f8f8f8;
}
small {
  color: #666;
}
:focus-visible {
  outline: 2px solid #06c;
  outline-offset: 2px;
}
@media (max-width: 600px) {
  section {
    padding: 16px;
  }
  nav {
    gap: 4px;
  }
}