.center {
	text-align: center;
}
.center [class*="col-"] {
	margin-top: 2px;
	margin-bottom: 2px;
	padding-top: 4px;
	padding-bottom: 4px;

	position: relative;
	text-overflow: ellipsis;
}
.center [class*="col-"]  span{
  position: relative;
  z-index: 2;
	
  display: inline-block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;

  width: 100%;
}
.center [class*="col-"]:before {
	display: block;
	content: "";
	
	position: absolute;
	top: 0;
	bottom: 0;
	left: 2px;
	right: 2px;
	z-index: 1;
	
	border: 1px solid #DDD;
	
}

.center [class*="col-"]:hover:before {
	background-color: #FCE6A6;
	border-color: #EFD27A;
}
.spinner-preview {
	width: 100px;
	height: 100px;
	text-align: center;
	margin-top: 60px;
}

.dropdown-preview {
	margin: 0 5px;
	display: inline-block;
}
.dropdown-preview  > .dropdown-menu {
	display: block;
	position: static;
	margin-bottom: 5px;
}