Vertical lines appear when clicking on the 360 ​​browser form_html/css_WEB-ITnose

When using 360 Safe Browser, when the login form pops up and gets focus, a vertical line will appear. I don’t know where this vertical line came from. Neither Firefox nor Google have it.

Reply to the discussion (solution)

Post your code.

 <label for="inputEmail3" class="col-sm-2 control-label " style="font-weight:normal;font-size:13px;" >用户名</label>    <div class="col-sm-5  " style="padding-top:5px;">      <input class="form-control tanchudenglu" id="yonghumings"  name="nick" style="width:231px;height:30px;color: rgb(204, 204, 204);"        	  autocomplete="off" onfocus="if(this.value=='请输入用户名'){this.value='';}$(this).css('color','#333');" onblur="if(this.value==''){this.value='请输入用户名';$(this).css('color','#999');}"	  >    </div>

used bootstrap