1.基础三角形.

  1 <!DOCTYPE html>
  2 <html lang="en">
  3 <head>
  4     <meta charset="UTF-8">
  5     <title>全局css以及辅助css</title>
  6     <style type="text/css">
  7 
  8 
  9 
 10         /***1: 初始样式设置*******/
 11         html, body, ul, li, ol, dl, dd, dt, p, h1, h2, h3, h4, h5, h6, form, fieldset, legend, img, div,span, table,th,tr,td,button { margin:0; padding:0; }
 12 
 13 
 14 
 15 
 16         /*******2: 清除浮动******/
 17 
 18         /*IE6, IE7 生效*/
 19         .floatfix{
 20             *zoom:1;
 21         }
 22 
 23         /*其他浏览器*/
 24         .floatfix:after{
 25             content:"";
 26             display:table;
 27             clear:both;
 28         }
 29 
 30         /***3: 超出长度显示省略号. 还需要设置width**/
 31 
 32         .ellipsis {
 33             text-overflow: ellipsis;
 34             overflow: hidden;
 35             white-space: nowrap;
 36         }
 37 
 38 
 39         .all {
 40             width: 80%;
 41             margin: 30px auto;
 42         }
 43 
 44         .row {
 45             border: 1px solid black;
 46             margin: 10px;
 47             padding: 10px;
 48         }
 49 
 50         p {
 51             color: red;
 52         }
 53 
 54 
 55         /*****4: 三角****************/
 56 
 57         .triangle {
 58             width: 0;
 59             height: 0;
 60             border-top: 20px solid #EEB422;
 61             border-right: 20px solid #C0FF3E;
 62             border-bottom: 20px solid #A020F0;
 63             border-left: 20px solid #7CFC00;
 64         }
 65 
 66         .triangle-up4 {
 67             width: 0;
 68             height: 0;
 69             border-top: 20px solid transparent;
 70             border-right: 20px solid transparent;
 71             border-bottom: 20px solid #A020F0;
 72             border-left: 20px solid transparent;
 73         }
 74 
 75         .triangle-down4 {
 76             width: 0;
 77             height: 0;
 78             border-top: 20px solid #EEB422;
 79             border-right: 20px solid transparent;
 80             border-bottom: 20px solid transparent;
 81             border-left: 20px solid transparent;
 82         }
 83 
 84         .triangle-left4 {
 85             width: 0;
 86             height: 0;
 87             border-top: 20px solid transparent;
 88             border-right: 20px solid #C0FF3E;
 89             border-bottom: 20px solid transparent;
 90             border-left: 20px solid transparent;
 91         }
 92 
 93         .triangle-right4 {
 94             width: 0;
 95             height: 0;
 96             border-top: 20px solid transparent;
 97             border-right: 20px solid transparent;
 98             border-bottom: 20px solid transparent;
 99             border-left: 20px solid #7CFC00;
100         }
101 
102 
103 
104         .triangle-up {
105             width: 0;
106             height: 0;
107             border-right: 20px solid transparent;
108             border-bottom: 40px solid #A020F0;
109             border-left: 20px solid transparent;
110         }
111 
112         .triangle-down {
113             width: 0;
114             height: 0;
115             border-top: 40px solid #EEB422;
116             border-right: 20px solid transparent;
117             border-left: 20px solid transparent;
118         }
119 
120         .triangle-left {
121             width: 0;
122             height: 0;
123             border-top: 20px solid transparent;
124             border-bottom: 20px solid transparent;
125             border-left: 40px solid #7CFC00;
126         }
127 
128         .triangle-right {
129             width: 0;
130             height: 0;
131             border-top: 20px solid transparent;
132             border-bottom: 20px solid transparent;
133             border-right: 40px solid #C0FF3E;
134         }
135 
136         .triangle-left-bottom {
137             width: 0;
138             height: 0;
139             border-top: 40px solid transparent;
140             border-left: 40px solid #7CFC00;
141         }
142 
143         .triangle-right-bottom {
144             width: 0;
145             height: 0;
146             border-top: 40px solid transparent;
147             border-right: 40px solid #C0FF3E;
148         }
149 
150         .triangle-left-up {
151             width: 0;
152             height: 0;
153             border-bottom: 40px solid transparent;
154             border-left: 40px solid #7CFC00;
155         }
156 
157         .triangle-right-up {
158             width: 0;
159             height: 0;
160             border-bottom: 40px solid transparent;
161             border-right: 40px solid #C0FF3E;
162         }
163 
164 
165     </style>
166 
167     <!-- 引入js文件 -->
168     <script type="text/javascript" src="jquery-1.8.3.min.js"></script>
169 
170 </head>
171 <body>
172 
173 
174     <div class="all">
175 
176         <hr>
177         <p>使用border的4个方向</p>
178         <div class="row">
179             <span>四个三角</span>
180             <div class="triangle">
181             </div>
182         </div>
183 
184         <div class="row">
185             <span>四个三角-上</span>
186             <div class="triangle-up4">
187             </div>
188         </div>
189 
190         <div class="row">
191             <span>四个三角-下</span>
192             <div class="triangle-down4">
193             </div>
194         </div>
195 
196         <div class="row">
197             <span>四个三角-左</span>
198             <div class="triangle-left4">
199             </div>
200         </div>
201 
202         <div class="row">
203             <span>四个三角-右</span>
204             <div class="triangle-right4">
205             </div>
206         </div>
207 
208         <hr>
209         <p>使用border的3个方向</p>
210         <div class="row">
211             <span>上三角</span>
212             <div class="triangle-up">
213             </div>
214         </div>
215         <div class="row">
216             <span>下三角</span>
217             <div class="triangle-down">
218             </div>
219         </div>
220         <div class="row">
221             <span>左三角</span>
222             <div class="triangle-left">
223             </div>
224         </div>
225         <div class="row">
226             <span>右三角</span>
227             <div class="triangle-right">
228             </div>
229         </div>
230 
231         <hr>
232         <p>使用border的2个方向</p>
233         <div class="row">
234             <span>左下角</span>
235             <div class="triangle-left-bottom">
236             </div>
237         </div>
238         <div class="row">
239             <span>右下角</span>
240             <div class="triangle-right-bottom">
241             </div>
242         </div>
243 
244         <div class="row">
245             <span>左上角</span>
246             <div class="triangle-left-up">
247             </div>
248         </div>
249         <div class="row">
250             <span>右上角</span>
251             <div class="triangle-right-up">
252             </div>
253         </div>
254 
255 
256 
257     </div>
258 
259 
260 
261 
262 </body>
263 </html>