两端对齐justify

//容器设定text-align：justify
.justify{
  text-align: justify;
}
 //容器里面的元素
.justify i{
  width:24px;
  line-height:24px;
  display:inline-block;
  text-align:center;
  border-radius:50%;
}
 //伪类这个必须写
.justify:after {
  content: "";
  display: inline-block;
  position: relative;
  width: 100%;
}