@mdn/bob/editor/css/editable-js-and-wat.css

Builder of Bits aka The MDN Web Docs interactive examples, example builder

.editor,
.output {
  font-size: 14px;
}

.editor {
  position: relative;
  margin-bottom: 0.5rem;
}

.output {
  position: relative;
  display: inline-block;
  background-color: var(--background-secondary);
  margin: 0;
  padding: 0.8em;
  border: 1px solid var(--border-primary);
  border-radius: var(--elem-radius);
  width: 100%;
  height: 120px;
  font: var(--type-code-regular);
}

.output code {
  width: 100%;
  height: 100px;
  white-space: pre;
  vertical-align: middle;
  word-break: break-word;
  overflow-y: auto;
}

.buttons-container {
  display: inline-block;
  width: 100px;
  vertical-align: top;
}

.button {
  display: block;
  background-color: var(--button-secondary-default);
  color: var(--text-primary);
  padding: 0.5em;
  border: 1px solid var(--border-primary);
  border-radius: var(--elem-radius);
  width: 100px;
  font: var(--type-emphasis-m);
  cursor: pointer;
}

.button:hover {
  background-color: var(--button-secondary-hover);
}

.js .editor {
  min-height: 280px;
}

.cm-editor {
  height: 280px;
}

.js .editor.taller,
.js .editor.taller .cm-editor {
  height: 490px;
}

.js .editor.shorter,
.js .editor.shorter .cm-editor {
  height: 200px;
  min-height: 200px;
}

.wat .editor {
  margin-bottom: 5px;
}

.wat .editor.taller,
.wat .editor.taller .cm-editor {
  height: 420px;
  min-height: 420px;
}

.wat .editor.standard,
.wat .editor.standard .cm-editor {
  height: 210px;
  min-height: 210px;
}

.wat .editor.shorter,
.wat .editor.shorter .cm-editor {
  height: 140px;
  min-height: 140px;
}

.buttons-container {
  display: flex;
  gap: 0.5rem;
  justify-content: space-between;
  align-self: flex-start;
  width: 100%;
  padding-bottom: 0.5rem;
}

.output-container {
  display: flex;
  align-items: center;
  flex-direction: column;
}

.output {
  display: flex;
  flex: 10 150px;
  align-items: center;
}

@media screen and (min-width: 590px) {
  .output-container {
    flex-direction: row;
  }

  .output {
    width: calc(
      100% - 108px
    ); /* 108px is 100px of a .button width + 8px of a .buttons-container padding-right */
  }

  .buttons-container {
    flex-direction: column;
    width: auto;
    padding-right: 8px;
  }
}