.ul_pre li {
	margin:10px auto;
	text-indent:-1.85em;
	padding-left:1.85em;
	margin-bottom:0.5em;
}
.ul_btn_css2 {
  margin: 30px auto 50px;
  text-align: center;
}
.ul_btn_css2 li {
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  list-style: none;
  display: inline;
  margin: 0 20px;
}
.ul_btn_css2 li a {
  display: inline-block;
  width:260px;
  padding: 15px 20px;
  color: #fff;
  text-decoration: none;
  background: #0066cc;
  -webkit-box-shadow: 0 0 5px 0 #999;
  -moz-box-shadow: 0 0 5px 0 #999;
  box-shadow: 0 0 5px 0 #999;
  border-radius: 6px;
  -webkit-border-radius: 6px;
  -moz-border-radius: 6px;
}

@media screen and (max-width: 640px){

.ul_pre li {
	margin:10px auto;
	text-indent:-1.85em;
	padding-left:1.85em;
	margin-bottom:0.5em;
}
	
	
	
}