docs/sphinx/_static/css/custom.css

.wy-nav-content {
  max-width: 70%;
}

.starlark-object {
  border: thin solid grey;
  margin-bottom: 1em;
}

.starlark-object h2 {
  background-color: #e7f2fa;
  border-bottom: thin solid grey;
  padding-left: 0.5ex;
}
.starlark-object h3 {
  background-color: #e7f2fa;
  padding-left: 0.5ex;
}

.starlark-module-extension-tag-class h3 {
  background-color: #add8e6;
  padding-left: 0.5ex;
}

.starlark-object>p, .starlark-object>dl, .starlark-object>section>* {
  /* Prevent the words from touching the border line */
  padding-left: 0.5ex;
}

.starlark-signature {
  font-family: monospace;
}

/* Fixup the headerlinks in param names */
.starlark-object dt a {
  /* Offset the link icon to be outside the colon */
  position: relative;
  right: -1ex;
  /* Remove the empty space between the param name and colon */
  width: 0;
  /* Override the .headerlink margin */
  margin-left: 0 !important;
}