fix: adjust weird colours for err highlighting

Jacky Zhao

2022-07-03 a8137edf247c46ef3a5af78c48bcd299a13c1a7d

 assets/styles/base.scss

@@ -85,7 +85,7 @@
}

img {
  width: 100%;
  max-width: 100%;
  border-radius: 3px;
  margin: 1em 0;
}