libreoffice-online/loleaflet/dist/spreadsheet.css

#document-container.spreadsheet-document {
        border-top: 1px solid #B6B6B6;
        top: 123px;
        left: 50px;
        bottom: 65px;
}

#document-container.spreadsheet-document.readonly {
        top: 50px;
}

.spreadsheet-tabs-container {
	margin: 0;
	padding: 0;
	left: 132px;
	right: 0;
	bottom: 33px;
	position: absolute;
	cursor: pointer;
	height: 32px;
	overflow: hidden;
	white-space: nowrap;

	background-color: #efefef;
	}

.spreadsheet-tab-scroll {
	width: 100%;
	height: 100%;
	overflow: auto;
	padding-bottom: 20px; /* to hide the scroolbar */

	margin-left: 6px;
	}

.spreadsheet-tab {
	margin: 0px;
	margin-top: 2px;
	margin-right: 3px;
	padding-left: 9px;
	padding-right: 9px;
	padding-top: 3px;
	padding-bottom: 3px;

	font: 12px/1.5 "Segoe UI", Tahoma, Arial, Helvetica, sans-serif;
	display: inline-block;
	border: 1px solid darkgrey;
	background-color: lightgrey;
	color: black;
	}

.spreadsheet-tab-selected {
	background: white !important;
	color: black !important;
	margin-top: 0px;
	padding-top: 6px;
	border: 1px solid #dfdfdf;
	border-top: 0px;
	}

#spreadsheet-row-column-frame {
	position: absolute;
	left: 0;
	right: 0;
	top: 103px;
	bottom: 65px;
}

#spreadsheet-row-column-frame.readonly {
        top: 30px;
}

#spreadsheet-header-corner-container {
	border: 1px solid darkgrey;
	background-color: lightgrey;
	cursor: pointer;

	position: absolute;
	padding: 0px;
	margin: 0px;
	left: 0px;
	top: 0;
	width: 48px;
	height: 19px;
	}

#spreadsheet-header-corner {
	display: inline-block;
	white-space: nowrap;
	width: 100%;
	height: 100%;
	border-spacing: 0px !important;
	position: relative;
	margin: 0px;
	padding: 0px;
	}

.spreadsheet-header-corner-styles {
	border: 1px solid darkgray;
	font: 12px/1.5 "Segoe UI", Tahoma, Arial, Helvetica, sans-serif;
	color: black;
	background-color: lightgray;
	cursor: pointer;
	}

#spreadsheet-header-columns-container {
	border: 1px solid darkgrey;
	background-color: lightgrey;

	position: absolute;
	display: inline-block;
	white-space: nowrap;
	left: 49px;
	top: 0;
	right: 0;
	height: 19px;
	overflow: hidden;
	}

.spreadsheet-header-columns {
	display: inline-block;
	white-space: nowrap;
	width: 100%;
	height: 100%;
	border-spacing: 0px !important;
	position: relative;
	margin: 0px;
	padding: 0px;
	}

.spreadsheet-header-column {
	border: 1px solid darkgray;
	font: 12px/1.5 "Segoe UI", Tahoma, Arial, Helvetica, sans-serif;
	color: black;
	background-color: lightgray;
	cursor: pointer;
}

.spreadsheet-header-column-hover {
	background-color: #DDD;
}

.spreadsheet-header-column-selected {
	color: white;
	background: linear-gradient(#3465A4, #729FCF, #004586);
}

.spreadsheet-header-column-resize {
	cursor: col-resize;
}

#spreadsheet-header-rows-container {
	border: 1px solid darkgrey;
	background-color: lightgrey;

	position: absolute;
	left: 0;
	top: 20px;
	width: 48px;
	bottom: 0;
	overflow: hidden;
	}

.spreadsheet-header-rows {
	width: 100%;
	height: 100%;
	border-spacing: 0px !important;
	position: relative;
	margin: 0px;
	padding: 0px;
	}

.spreadsheet-header-row {
	border: 1px solid darkgray;
	font: 12px/1.5 "Segoe UI", Tahoma, Arial, Helvetica, sans-serif;
	color: black;
	background-color: lightgray;
	cursor: pointer;
	}

.spreadsheet-header-row-hover {
	background-color: #DDD;
	}

.spreadsheet-header-row-selected {
	color: white;
	background: linear-gradient(#3465A4, #729FCF, #004586);
	}

.spreadsheet-header-row-resize {
	cursor: row-resize;
	}