.jp-SchemaForm fieldset .jp-SchemaForm-JSONObject-buttons {
  display: flex;
}

.jp-SchemaForm fieldset .jp-SchemaForm-JSONObject-buttons button {
  border: solid var(--jp-border-width) transparent;
  flex: 1;
  margin: 0;
  background-color: transparent;
}

.jp-SchemaForm fieldset .jp-SchemaForm-JSONObject-buttons button[disabled] {
  opacity: 0.25;
}

.jp-SchemaForm fieldset .jp-SchemaForm-JSONObject-buttons button:hover:not([disabled]),
.jp-SchemaForm fieldset .jp-SchemaForm-JSONObject-buttons button:focus:not([disabled]) {
  border: solid var(--jp-border-width) var(--jp-border-color1);
  background-color: var(jp-layout-color2);
}