objdiff-web/webview/App.css

:root {
  --font-size: var(--vscode-editor-font-size, 13px);
  --list-row-height: calc(var(--font-size) * 1.33);
  color-scheme: light dark;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  color: var(--vscode-foreground, #fff);
  font-family: var(--vscode-font-family, system-ui);
  font-weight: var(--vscode-font-weight, normal);
  font-size: var(--vscode-font-size, 13px);
  background-color: var(--vscode-editor-background, #1e1e1e);

  &.vscode-light,
  &.vscode-high-contrast-light {
    color-scheme: light;
  }
  &.vscode-dark,
  &.vscode-high-contrast-dark {
    color-scheme: dark;
  }
}

#root {
  display: flex;
  flex-flow: column;
  min-height: 100vh;
}

.content {
  flex: 1;
  display: flex;
  min-height: 100vh;
  line-height: 1.1;
  text-align: center;
  flex-direction: column;
  justify-content: center;

  h1 {
    font-size: 3.6rem;
    font-weight: 700;
  }

  p {
    font-size: 1.2rem;
    font-weight: 400;
    opacity: 0.5;
  }
}

button {
  background-color: var(--vscode-button-secondaryBackground);
  color: var(--vscode-button-secondaryForeground);
  border: 1px solid var(--vscode-button-border);
  border-radius: 3px;
  cursor: pointer;

  font-family: var(--vscode-font-family, system-ui);
  font-weight: var(--vscode-font-weight, normal);
  font-size: var(--vscode-font-size, 13px);

  &:hover {
    background-color: var(--vscode-button-secondaryHoverBackground);
  }

  &:focus {
    opacity: 1;
    outline-color: var(--vscode-focusBorder);
    outline-offset: -1px;
    outline-style: solid;
    outline-width: 1px;
  }

  &:active {
    outline: 0 !important;
    background-color: var(--vscode-toolbar-activeBackground);
  }

  &:disabled {
    color: var(--vscode-disabledForeground);
  }
}