Write CSS styles for your elements without switching away from the HTML page that you are editing. Put the text cursor on any element tag and hit <span class="key">Cmd/Ctrl</span> + <span class="key">E</span> to start writing CSS styles.
为您的元素编写 CSS 样式时，不需要离开您正在编辑的 HTML 页面。将文本光标放在任何元素标签上，然后按 <span class="key">Cmd/Ctrl</span> + <span class="key">E</span> 开始编写 CSS 样式。