- ul {
- margin: 0.75em 0;
- padding: 0 1em;
- list-style: none;
- }
- li:before {
- content: \"\";
- border-color: transparent #111;
- border-style: solid;
- border-width: 0.35em 0 0.35em 0.45em;
- display: block;
- height: 0;
- width: 0;
- left: -1em;
- top: 0.9em;
- position: relative;
- }
- //该片段来自于http://www.codesnippet.cn/detail/12112012296.html
来源: http://www.codesnippet.cn/detail/12112012296.html