*{
	font-family: arial;
	box-sizing:border-box;
	margin:0px;
	padding:0px;
}
/* General items */
#centerbox{
	border:1px solid;
	border-radius:16px;
	width:80%;
	margin:5% auto;
	padding:5%;
	overflow:auto;
}

/* The spinner */
.is-loading {
  position: relative;
  color: transparent !important; /* Hide text while loading */
  pointer-events: none;
}

.spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px; /* Center it */
  border: 2px solid rgba(0,0,0,0.1);
  border-top-color: #3498db; /* Spinner color */
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

body{
	font-size:16px;
}
header{
	height:50px;
	width:100%;
	position:absolute;
	top: 0px;
}
header h1{
	position:absolute;
	top: 5px;
	left: 30px;
}
header #toggler1, header #toggler2{
	display:none;
}
nav{
	float:right;
	margin:10px 60px 10px 10px;
}
nav li{
	float:right;
	display:block;
	padding:10px;
}
details > summary{
	list-style:none;
}
#user {
	min-width:20px;
	position:absolute;
	top:7px;
	right:35px;
	border-radius: 7px;
	cursor: pointer;
	z-index:20;
}
#user summary img{
	height:25px;
	border-radius:50%;
}


#user ul{
	line-height:2em;
	list-style: none;
	margin:0px 10px;
	padding: 10px;
	background-color:#ccc;
}

#cols{
	margin-top:52px;
	width:100%;
	overflow:auto;
}

.column{
	 float: left;
	
	 min-height: 700px;
}

#side1, #side2{
	width:20%; 
	border-left:1px solid grey;
	border-right:1px solid grey;
}

main{
	width: 60%;
	
}


footer{
	width:100%;
	overflow:auto;
	display:block;
	height:50px;
}

/* For Tablet screens */
@media (max-width:750px){
header h1{
	font-size:1.7em;
	top:7px;
}
header #toggler1{
	position:absolute;
	top:7px;
	display:block;
	font-size:2em;
	cursor:pointer;
	left:5px;
}

#side1{
	position:absolute;
	width:70%;
	
	display:none;
	background-color:white;
	z-index: 10;
}
main{
	width:75%;
}
#side1.colvis1{
	left: 0px;
	display:block;
}	
}

/* For Phone screens */
@media (max-width:500px){
header h1{
	font-size:1.4em;
	top:10px;
}
nav{
	margin-top:40px;
	margin-right:20px;
}
header #toggler1, header #toggler2{
	position:absolute;
	top:7px;
	display:block;
	font-size:2em;
	cursor:pointer;
}
header #toggler1{
	left:5px;
}
header #toggler2{
	right:5px;
}

#side1, #side2{
	position:absolute;
	width:80%;
	display:none;
	background-color:white;
	z-index: 10;
}
main{
	width:100%;
}

#side1.colvis1{
	left: 0px;
	display:block;
}
#side2.colvis2{
	right: 0px;
	display:block;
}


}