.btn-shadow {
	background-color: rgb(17, 82, 147);
	box-shadow: 0px 3px 5px -1px rgba(0,0,0,0.2),0px 6px 10px 0px rgba(0,0,0,0.14),0px 1px 18px 0px rgba(0,0,0,0.12);
}

.btn-grey {
	background-color: #e0e0e0;
}

img{height:100px;}

#overlay{
  position: fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background: rgba(0,0,0,0.8) none 50% / contain no-repeat;
  cursor: pointer;
  transition: 0.3s;
  
  visibility: hidden;
  opacity: 0;
}
#overlay.open {
  visibility: visible;
  opacity: 1;
}

#overlay:after { /* X button icon */
  content: "\2715";
  position: absolute;
  color:#fff;
  top: 10px;
  right:20px;
  font-size: 2em;
}

.main-panel {
    margin-top: 44px;
    position: relative;
    width: calc(100% - 250px);
    height: 100vh;
    min-height: 100%;
    float: right;
    transition: all .3s;
}