List items must be green. Otherwise some selectors are invalid.

• class="_class"
• class="_class"
• class="0_class"
• class="9_class"
• class="-0_class"
• class="-9_class"
• class="--_class"
• class="_class"
• class="日本語_class"
• class="𐐀_class"
• class="azAZ09_-_class"
• class="(/:@[~_class"
• id="a.external:visited"
• myattr="my"value\"