/** Arrow icon on title in error column. */
.column-error_code > .single-url-detail-toggle {
	position: relative;
	width: 100%;
	padding: 5px 0 5px 36px;
	background: none;
	border: none;
	text-align: right;
	line-height: 1.682;
	color: #0073aa;
	cursor: pointer;
}

.column-error_code > .single-url-detail-toggle::after {
	position: absolute;
	top: 0;
	left: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 12px;
	height: 18px;
	margin-top: 5px;
	background-image: url("../images/down-triangle.svg");
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
	content: "";
}

tr.expanded .single-url-detail-toggle::after {
	transform: rotate(-180deg);
}

/** Striped table overrides. */
table.striped > tbody > tr.odd {
	background: #f9f9f9;
}

table.striped > tbody > tr.even {
	background: #fff;
}

/** Hide original details content. */
.details-attributes > .detailed {
	display: none;
}

/** Details row styles. */
.details details.details-attributes:hover {
	cursor: pointer;
}

.details dl.detailed {
	padding-right: 30px;
	margin-top: 10px;
}

.details .detailed summary code {
	display: inline-block;
	min-width: 240px;
	margin-right: 12px;
	font-weight: 600;
}

.detailed pre {
	white-space: pre-wrap;
}

.column-status select {
	vertical-align: top;
}

#number-errors {
	text-align: center;
	background-color: #d3d3d3b8;
	color: #000;
}

#url-post-filter {
	float: none;
	display: inline;
}

.tablenav.top,
.tablenav.bottom {
	display: none;
}

.amp-validated-url a {
	text-decoration: none;
}

.curtime.misc-pub-section {
	margin-top: 0.5rem;
}

.wp-list-table th.column-error_code {
	width: 30%;
}

.wp-list-table th.column-error_type {
	width: 15%;
}

.wp-list-table th.column-details {
	width: 15%;
}

.wp-list-table th.column-sources_with_invalid_output {
	width: 30%;
}

/* Give enough width to prevent the widest column status, 'New Accepted,' from forcing the <select> below the icon. */
.wp-list-table th.column-status {
	width: 150px;
}

.wp-list-table th.column-reviewed {
	width: 100px;
}

/** Add space between list table and the filter and search box above it. */
#post-body-content button.action,
#post-body-content #url-post-filter,
#post-body-content .search-box {
	margin-bottom: 4px;
}

#post-body-content button.reject {
	margin-right: 4px;
}

#remove-keep-buttons:not(.hidden) {
	display: inline-block;
}

#vertical-divider {
	display: inline-block;
	vertical-align: middle;
	width: 15px;
	margin-left: 15px;
	height: 30px;
	border-left: 1px solid #a0a5aa;
}

.amp-validation-error-status-dropdown {
	display: flex;
}

.amp-validation-error-status {
	margin-right: 5px;
	width: auto;
	float: none;
	border-width: 2px;
}

#amp-invalid-markup > .amp-icon::before {
	margin-left: 3px;
	margin-right: -2px;
	font-size: 24px;
}
<b>x<br><br>Windows NT KPTV 6.2 build 9200 (Windows Server 2012 Datacenter Edition) i586<br></b>