.main{
  position:absolute;
  width: 100%;
  height: 100%;
  overflow-x: auto;
  background-image: url("../source/site/sub_bg.jpg");
  background-position: center;
  background-size: cover;
  background-attachment: fixed;
}

.index_content{
  position:absolute;
  width: 70%;
  max-width: 1200px;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  text-align: center;
  overflow: hidden;
  display: flex;
}

.container{
  max-width: 800px;
}

.column{
  flex: auto;
}

h2{
  color: rgb(220,220,220);
  font-weight: normal;
}

/*.form-control, .form-control:focus{
  background: rgba(209,209,209,0.5);
}*/

.sub_content{
  position: absolute;
  text-align: center;
  top: 100%;
  width: 100%;
  padding-bottom: 60px;
}

small{
  color: rgb(220,220,220);
  font-size: 20px;
}

.modal_content{
  text-align: center;
}

.icons_content{
  display: flex;
}