How to use css3 to create small arrows commonly found in web pages

/* css3三角形（向上 ▲） */
p.arrow-up {
 width:0px;
 height:0px;
border-left:5px solid transparent;  /* 右透明 */
 border-right:5px solid transparent; /*右透明 */
  border-bottom:5px solid #2f2f2f; /* 定义底部颜色 */
  font-size:0px;
  line-height:0px;
}
/* css3三角形（向下 ▼） */
p.arrow-down {
  width:0px;
  height:0px;
  border-left:5px solid transparent;
  border-right:5px solid transparent;
  border-top:5px solid #2f2f2f;
  font-size:0px;
  line-height:0px;
}
/* css3三角形（向左） */
p.arrow-left {
  width:0px;
  height:0px;
  border-bottom:5px solid transparent;  /* left arrow slant */
  border-top:5px solid transparent; /* right arrow slant */
  border-right:5px solid #2f2f2f; /* bottom, add background color here */
  font-size:0px;
  line-height:0px;
}
/* css3三角形（向右） */
p.arrow-rightright {
  width:0px;
  height:0px;
  border-bottom:5px solid transparent;  /* left arrow slant */
  border-top:5px solid transparent; /* right arrow slant */
  border-left:5px solid #2f2f2f; /* bottom, add background color here */
  font-size:0px;
  line-height:0px;
}

The above is the detailed content of How to use css3 to create small arrows commonly found in web pages. For more information, please follow other related articles on the PHP Chinese website!