Edit in JSFiddle

<div id="imTextObject_5">
		<div class="text-tabs">
			<div class="text-tabs-border"></div>
			<a class="tab floated-tab tab-scroller"><span></span></a>
			<div class="text-tabs-outer floated-tab">
				<div class="text-tabs-inner">
					<a class="tab first-tab selected-text-tab" href="#imTextObject_5_tab0" data-index="0" style="left: 0px;">Publikationen</a>
					<a class="tab" href="#imTextObject_5_tab1" data-index="1" style="left: 0px;">Eingereichte Publikationen</a>
					<a class="tab" href="#imTextObject_5_tab2" data-index="2" style="left: 0px;">Vorträge</a>
					<a class="tab" href="#imTextObject_5_tab3" data-index="3" style="left: 0px;">Poster</a>
					<a class="tab" href="#imTextObject_5_tab4" data-index="4" style="left: 0px;">Patent- anmeldungen</a>
					<a class="tab last-tab" href="#imTextObject_5_tab5" data-index="5" style="left: 0px;">Offen- legungen</a>
				</div>
			</div>
			<a class="tab floated-tab last-tab tab-scroller"><span></span></a>
		</div>

#imTextObject_5 .tab {
        font: 11px/15px "Tahoma";
        vertical-align: middle;
    }
[data-index="0"] {
  color: #E25896;
}
[data-index="1"] {
  color: #E00000;
}
[data-index="2"] {
  color: #666;
}
[data-index="3"] {
  color: #E18728;
}