AdminLTE/plugins/datatables/extensions/Responsive/css/dataTables.responsive.scss

//
// Mixins
//
@mixin control() {
	display: block;
	position: absolute;
	color: white;
	border: 2px solid white;
	border-radius: 16px;
	text-align: center;
	line-height: 14px;
	box-shadow: 0 0 3px #444;
	box-sizing: content-box;
}

@mixin control-open() {
	content: '+';
	background-color: #31b131;
}

@mixin control-close() {
	content: '-';
	background-color: #d33333;
}


//
// Table styles
//
table.dataTable {
	// Styling for the `inline` type
	&.dtr-inline.collapsed > tbody {
		> tr > td:first-child,
		> tr > th:first-child {
			position: relative;
			padding-left: 30px;
			cursor: pointer;

			&:before {
				top: 8px;
				left: 4px;
				height: 16px;
				width: 16px;
				@include control;
				@include control-open;
			}

			&.dataTables_empty:before {
				display: none;
			}
		}

		> tr.parent {
			> td:first-child:before,
			> th:first-child:before {
				@include control-close;
			}
		}

		> tr.child td:before {
			display: none;
		}
	}

	// DataTables' `compact` styling
	&.dtr-inline.collapsed.compact > tbody {
		> tr > td:first-child,
		> tr > th:first-child {
			padding-left: 27px;

			&:before {
				top: 5px;
				left: 4px;
				height: 14px;
				width: 14px;
				border-radius: 14px;
				line-height: 12px;
			}
		}
	}


	// Styling for the `column` type
	&.dtr-column > tbody {
		> tr > td.control,
		> tr > th.control {
			position: relative;
			cursor: pointer;

			&:before {
				top: 50%;
				left: 50%;
				height: 16px;
				width: 16px;
				margin-top: -10px;
				margin-left: -10px;
				@include control;
				@include control-open;
			}
		}

		> tr.parent {
			td.control:before,
			th.control:before {
				@include control-close;
			}
		}
	}


	// Child row styling
	> tbody > tr.child {
		padding: 0.5em 1em;

		&:hover {
			background: transparent !important;
		}

		ul {
			display: inline-block;
			list-style-type: none;
			margin: 0;
			padding: 0;

			li {
				border-bottom: 1px solid #efefef;
				padding: 0.5em 0;

				&:first-child {
					padding-top: 0;
				}

				&:last-child {
					border-bottom: none;
				}
			}
		}

		span.dtr-title {
			display: inline-block;
			min-width: 75px;
			font-weight: bold;
		}

		span.dtr-data {}
	}
}