body {
}

.overlay {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.5);
  transition: opacity 500ms;
  visibility: hidden;
  opacity: 0;
}

.overlay:target {
  visibility: visible;
  opacity: 1;
}

.popup {
  margin: 10px auto;
  padding: 10px;
  background: #ffc;
  border-radius: 5px;
  width: 45%; /* 45 */
  position: relative;
  transition: all 5s ease-in-out;
  text-align:left;
}

.popup .close {
  position: absolute;
  top: 20px;
  right: 30px;
  transition: all 200ms;
  font-size: 30px;
  font-weight: bold;
  text-decoration: none;
  color: #333;
}
.popup .close:hover {
  color: #3366FF;
}
.popup .content {
  max-height: 100%;
  overflow: auto;
}
.popup .content li { 
	text-align:left;
	font-size: 10pt; 
	font-style: normal; 
	font-weight: normal; 
	margin:3px;}
.popup .content li li {  
	text-align:left;
	font-size: 8pt; 
	font-style: italic; 
	font-weight: normal; 
	margin:3px;}

.ppt { text-align:left; text-decoration:none; font-size: 8pt; font-style: normal; font-weight: normal; margin:3px; padding:3px;} /* popup font definition */

@media screen and (max-width: 700px){
  .box{
    width: 80%; /* 80 */
  }
  .popup{
    width: 80%; /* 80 */
  }
}