//로딩시작
.loader_table{
width:100vw;
height:100vh;
display:table;
//background-color:red;
//opacity: 0.9;
}

.loader_td{
width:100vw;
height:100vh;
display:table-cell;

vertical-align:middle;

//background-color:blue;
}

@-webkit-keyframes spin{
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loader{
  border: 4px solid #f3f3f3;
  border-radius: 50%;
  border-top: 4px solid #2196F3;
  border-bottom: 4px solid #2196F3;
  border-right: 4px solid #2196F3;
  width: 40px;
  height: 40px; 
  margin:0 auto; 

  -webkit-animation: spin 0.3s linear infinite;
  animation: spin 0.3s linear infinite;
}

.loading{
left:0px;
top:0px;
width: 100vw;
height:100vh;
//height:auto;
background-color:#fff;
position: absolute;
z-index: 20;
display:none;
background-color: rgba(0,0,0, 0.0);
//overflow:hidden;
}
//로딩끝