尝试在CSS中打破单词.如果你需要更多的间距,你的单词打破每个2个或更多的字母使用字母间距或只是填充.
CSS:
.wrapper {
position: fixed;
background-color: green;
top: 30px;
left: 0;
width: 20px;
border-radius: 0 10px 10px 0;
color: white;
font-size: 13px;
padding: 5px;
word-wrap: break-word;
}
Run Code Online (Sandbox Code Playgroud)
HTML:
<div class="wrapper">
HELP
</div>
Run Code Online (Sandbox Code Playgroud)
https://fiddle.jshell.net/1hwd5j7g/