@media screen and (min-width : 1280px) {
	#divLeft.admin ul.adminmenu > li.row {
		width: calc((100% - 4 * 20px) / 5);
	}
}
@media screen and (min-width : 1600px) {
	#divLeft.admin ul.adminmenu > li.row {
		width: calc((100% - 5 * 20px) / 6);
	}
}
@media screen and (max-width : 768px) {
	#btnLeftMenu {
		display:block;
	}
	#divLeft.admin #btnLeftMenu {
		display:none;
	}
	ul.adminmenu {
		display:none;
	}
	ul.adminmenu.show {
		display:block;
	}
	#divLeft.admin ul.adminmenu {
		display:block;
	}

	ul.column5 > li.row {
		width: calc((100% - 2 * 20px) / 3);
	}
	ul.column5 > li.row:nth-child(5n+1) {
		clear:none;
		margin-left:20px;
	}
	ul.column5 > li.row:nth-child(3n+1) {
		clear:both;
		margin-left:0px;
	}
}
@media screen and (max-width : 640px) {
	section.topnavigation .leftcolumn,
	section.bottomnavigation .leftcolumn {
		float:left;
	}
	section.topnavigation .rightcolumn,
	section.bottomnavigation .rightcolumn {
		float:right;
	}
	INPUT[type='button'].return,
	INPUT[type='button'].import,
	INPUT[type='button'].export,
	INPUT[type='button'].print,
	INPUT[type='reset'] {
		text-indent:-9999px;
		padding-left:26px !important;
	}
	INPUT[type='button'].edit,
	INPUT[type='button'].create {
		text-indent:-9999px;
		padding-right:26px !important;
	}
	#divLeft.admin ul.adminmenu > li.row {
		width: calc((100% - 2 * 20px) / 3);
	}
	ul.survey > li.row div.like {
		opacity:1;
	}
	ul.survey > li.row div.like:hover {
		background-position: top left;
	}
	ul.survey > li.liked div.like,
	ul.survey > li.liked div.like:hover {
		background-position: top right;
	}

	ul.column2 > li.row,
	ul.column3 > li.row {
		float:none;
		width:auto;
		margin-left:0px;
	}

	ul.column4 > li.row {
		width: calc((100% - 1 * 20px) / 2);
	}
	ul.column4 > li.row:nth-child(2n+1) {
		clear:both;
		margin-left:0px;
	}
	ul.column5 > li.row {
		width: calc((100% - 1 * 20px) / 2);
	}
	ul.column5 > li.row:nth-child(5n+1),
	ul.column5 > li.row:nth-child(3n+1) {
		clear:none;
		margin-left:20px;
	}
	ul.column5 > li.row:first-child {
		width:100%;
		margin-left:0px;
	}
	ul.column5 > li.row:nth-child(2n+2) {
		clear:both;
		margin-left:0px;
	}
	ul.column6 > li.row {
		width: calc((100% - 2 * 20px) / 3);
	}
	ul.column6 > li.row:nth-child(6n+1) {
		clear:none;
		margin-left:20px;
	}
	ul.column6 > li.row:nth-child(3n+1) {
		clear:both;
		margin-left:0px;
	}
	ul.column7 > li.row,
	ul.column8 > li.row {
		width: calc((100% - 3 * 20px) / 4);
	}
	ul.column7 > li.row:nth-child(7n+1),
	ul.column8 > li.row:nth-child(8n+1) {
		clear:none;
		margin-left:20px;
	}
	ul.column7 > li.row:nth-child(4n+1),
	ul.column8 > li.row:nth-child(4n+1) {
		clear:both;
		margin-left:0px;
	}

	ul.botmenu {
		display:flex;
	}
	ul.botmenu > li.row {
		flex:1;
		flex-grow: 1;
		padding:5px;
		font-size:x-small;
		font-weight:bold;
	}
	ul.botmenu > li.row span {
		white-space: normal;
		overflow: hidden;
		text-overflow: ellipsis;
	}
	ul.tablist > li {
		font-size:smaller;
	}
}
@media screen and (max-width : 480px) {
	#divLeft.admin ul.adminmenu > li.row {
		width: calc((100% - 1 * 20px) / 2);
	}
	ul.column1 > li.row div.thumb {
		float:none;
		width:auto;
		margin-right:0px;
	}
	ul.column6 > li.row {
		width: calc((100% - 1 * 20px) / 2);
	}
	ul.column6 > li.row:nth-child(3n+1) {
		clear:none;
		margin-left:20px;
	}
	ul.column6 > li.row:nth-child(2n+1) {
		clear:both;
		margin-left:0px;
	}
	ul.column7 > li.row,
	ul.column8 > li.row {
		width: calc((100% - 2 * 20px) / 3);
	}
	ul.column7 > li.row:nth-child(4n+1),
	ul.column8 > li.row:nth-child(4n+1) {
		clear:none;
		margin-left:20px;
	}
	ul.column7 > li.row:nth-child(3n+1),
	ul.column8 > li.row:nth-child(3n+1) {
		clear:both;
		margin-left:0px;
	}
}