*{
  margin: 0px;
  padding: 0px;
}
body{
  background: #000;
  color:#fff;
  margin: 0px;
  padding: 0px;
  font-size: 13px;
}
.body_wrap{
  width: 100%;
  height: 100%;
  min-width: 300px;
}
.body_con{
  padding:5px 8px;
}

.center{
  text-align: center;
}

.btn{
  display: inline-block;
  min-width: 20px;
  padding:0px 8px;
  line-height: 30px;
  background: #000000;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  font-size: 18px;
  border:1px solid #fff;
  cursor: pointer;
}

.layer_popup{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000000;
  z-index: 9999;
}
.layer_popup .popup_title{
  position: relative;
  width: 100%;
  height: 50px;
  line-height: 50px;
  text-align: center;
  font-size: 20px;
  color: #fff;
  padding: 0px;
  background: #000000;
}
.layer_popup .popup_title .close_btn{
  position: absolute;
  display: inline-block;
  top: 0px;
  right: 0px;
  width: 50px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  font-size: 20px;
  color: #fff;
  background-color: #000;
  border:1px solid #77ff62;
}

.layer_popup .popup_con{
  position: relative;
  width: 100%;
  padding: 0px;
  border-top:1px solid #003d9f;
}