ckeditor-tabber.css in CKEditor Tabber 8

/*
	Tabber tabs that have not been created using Javascript
*/

/* clearfix */
dl.ckeditor-tabber:before,
dl.ckeditor-tabber:after {
    content: " "; /* 1 */
    display: table; /* 2 */
}
dl.ckeditor-tabber:after {
    clear: both;
}

/* CKEditor Tabber */
dl.ckeditor-tabber,
dl.ckeditor-tabber dt,
dl.ckeditor-tabber  dd {
	box-sizing: border-box;
}
dl.ckeditor-tabber {
	position: relative;
}

dl.ckeditor-tabber dt {
	font-weight: bold;
}

/*
	Tabber tabs that have been created using Javascript
*/

/* clearfix */
.ckeditor-tabber-tabs:before,
.ckeditor-tabber-tabs:after {
    content: " "; /* 1 */
    display: table; /* 2 */
}
.ckeditor-tabber-tabs:after {
    clear: both;
}

.ckeditor-tabber-tabs {
	margin: 20px 0;
	box-sizing: border-box;
}

.ckeditor-tabber-tabs * {
	box-sizing: border-box;
}

/* tabs to switch visible content */
.ckeditor-tabber-tabs ul.ckeditor-tabs-holder,
.ckeditor-tabber-tabs ul.ckeditor-tabs-holder li {
	margin: 0;
	padding: 0;
	list-style: none;
}

.ckeditor-tabber-tabs ul.ckeditor-tabs-holder {
	position: relative;
	z-index: 2;
}

.ckeditor-tabber-tabs ul.ckeditor-tabs-holder li {
	display: inline-block;
	border-right: 1px solid transparent;
	border-left: 1px solid transparent;
}

.ckeditor-tabber-tabs ul.ckeditor-tabs-holder li a {
	padding: 10px 15px;
	display: inline-block;
	cursor: pointer;
	position: relative;
}

.ckeditor-tabber-tabs ul.ckeditor-tabs-holder li.active {
	border-top: 1px solid #999;
	border-right: 1px solid #999;
	border-left: 1px solid #999;
    background: #fff;
}

.ckeditor-tabber-tabs ul.ckeditor-tabs-holder li.active a {
	cursor: default;
}

/* the tabbed content itself */
.ckeditor-tabber-tabs .ckeditor-tabs-content-holder {
	border: 1px solid #999;
	background: #fff;
	position: relative;
	margin-top: -1px;
	z-index: 1;
}

.ckeditor-tabber-tabs .ckeditor-tabs-content-holder .ckeditor-tab-content {
	margin: 15px;
	display: none;
}

.ckeditor-tabber-tabs .ckeditor-tabs-content-holder .ckeditor-tab-content.active {
	display: block;
}