diff --git a/Build/Resources/Public/Less/TYPO3/_element_tab.less b/Build/Resources/Public/Less/TYPO3/_element_tab.less
index c9b0709c250f6be82f46f264084267f192ec65e4..7e4e49e30367e9e32ffb31f94abfb287cb400a9b 100644
--- a/Build/Resources/Public/Less/TYPO3/_element_tab.less
+++ b/Build/Resources/Public/Less/TYPO3/_element_tab.less
@@ -92,48 +92,4 @@
 			overflow: visible;
 		}
 	}
-}
-
-//
-// Foldout tabs
-//
-div.typo3-dyntabmenu-divs-foldout div.tab,
-div.typo3-dyntabmenu-divs-foldout div.tabact,
-div.typo3-dyntabmenu-divs-foldout div.disabled {
-	border: solid black 1px;
-	border-radius: 3px;
-}
-
-div.typo3-dyntabmenu-divs-foldout div.tab {
-	background: #c4d4cd;
-	background-image: url('../../../../icons/gfx/ol/plusbullet.gif');
-	background-repeat: no-repeat;
-}
-
-div.typo3-dyntabmenu-divs-foldout div.tab:hover {
-	background: #f6eab7;
-	background-image: url('../../../../icons/gfx/ol/arrowbullet.gif');
-	background-repeat: no-repeat;
-}
-
-div.typo3-dyntabmenu-divs-foldout div.tabact {
-	background: #e7dba8;
-	background-image: url('../../../../icons/gfx/ol/minusbullet.gif');
-	background-repeat: no-repeat;
-}
-
-div.typo3-dyntabmenu-divs-foldout div.tabact:hover {
-	background: #f6eab7;
-	background-image: url('../../../../icons/gfx/ol/arrowbullet.gif');
-	background-repeat: no-repeat;
-}
-
-div.typo3-dyntabmenu-divs-foldout div.disabled {
-	background: #ccc;
-	color: #999;
-}
-
-div.typo3-dyntabmenu-divs-foldout div.disabled:hover {
-	background: #f6eab7;
-	color: #999;
-}
+}
\ No newline at end of file
diff --git a/typo3/gfx/ol/arrowbullet.gif b/typo3/gfx/ol/arrowbullet.gif
deleted file mode 100644
index c5a252643985d27848c95e45fbbfad3c4e0cbce8..0000000000000000000000000000000000000000
Binary files a/typo3/gfx/ol/arrowbullet.gif and /dev/null differ
diff --git a/typo3/sysext/backend/Classes/Tree/View/ElementBrowserPageTreeView.php b/typo3/sysext/backend/Classes/Tree/View/ElementBrowserPageTreeView.php
index 7f0a4d487582d51765700cb543dd4f8e0aaac81d..f2539b26b7727d030e5a4696d9820dcfee67fed0 100644
--- a/typo3/sysext/backend/Classes/Tree/View/ElementBrowserPageTreeView.php
+++ b/typo3/sysext/backend/Classes/Tree/View/ElementBrowserPageTreeView.php
@@ -87,7 +87,7 @@ class ElementBrowserPageTreeView extends BrowseTreeView {
 				$selected = ' bg-success';
 			}
 			$aOnClick = 'return jumpToUrl(' . \TYPO3\CMS\Core\Utility\GeneralUtility::quoteJSvalue($this->getThisScript() . 'act=' . $GLOBALS['SOBE']->browser->act . '&mode=' . $GLOBALS['SOBE']->browser->mode . '&expandPage=' . $treeItem['row']['uid']) . ');';
-			$cEbullet = $this->ext_isLinkable($treeItem['row']['doktype'], $treeItem['row']['uid']) ? '<a href="#" class="pull-right" onclick="' . htmlspecialchars($aOnClick) . '"><img' . \TYPO3\CMS\Backend\Utility\IconUtility::skinImg($GLOBALS['BACK_PATH'], 'gfx/ol/arrowbullet.gif', 'width="18" height="16"') . ' alt="" /></a>' : '';
+			$cEbullet = $this->ext_isLinkable($treeItem['row']['doktype'], $treeItem['row']['uid']) ? '<a href="#" class="pull-right" onclick="' . htmlspecialchars($aOnClick) . '"><i class="fa fa-caret-square-o-right"></i></a>' : '';
 			$out .= '<li' . ($classAttr ? ' class="' . trim($classAttr) . '"' : '') . '><span class="list-tree-group' . $selected . '">' . $cEbullet . $treeItem['HTML'] . $this->wrapTitle($this->getTitleStr($treeItem['row'], $titleLen), $treeItem['row'], $this->ext_pArrPages) . '</span>';
 
 			if (!$treeItem['hasSub']) {
diff --git a/typo3/sysext/rtehtmlarea/Classes/PageTree.php b/typo3/sysext/rtehtmlarea/Classes/PageTree.php
index bd2b0a3da36202ecf8a2355d2e080fe16fa211fb..3c5d5552da01ecda6015e3e6278f81ba419c4c86 100644
--- a/typo3/sysext/rtehtmlarea/Classes/PageTree.php
+++ b/typo3/sysext/rtehtmlarea/Classes/PageTree.php
@@ -63,7 +63,7 @@ class PageTree extends \TYPO3\CMS\Backend\Tree\View\ElementBrowserPageTreeView {
 				$selected = ' bg-success';
 			}
 			$aOnClick = 'return jumpToUrl(' . GeneralUtility::quoteJSvalue($this->getThisScript() . 'act=' . $GLOBALS['SOBE']->browser->act . '&editorNo=' . $GLOBALS['SOBE']->browser->editorNo . '&contentTypo3Language=' . $GLOBALS['SOBE']->browser->contentTypo3Language . '&mode=' . $GLOBALS['SOBE']->browser->mode . '&expandPage=' . $treeItem['row']['uid']) . ');';
-			$cEbullet = $this->ext_isLinkable($treeItem['row']['doktype'], $treeItem['row']['uid']) ? '<a href="#" class="pull-right" onclick="' . htmlspecialchars($aOnClick) . '"><img' . \TYPO3\CMS\Backend\Utility\IconUtility::skinImg($GLOBALS['BACK_PATH'], 'gfx/ol/arrowbullet.gif', 'width="18" height="16"') . ' alt="" /></a>' : '';
+			$cEbullet = $this->ext_isLinkable($treeItem['row']['doktype'], $treeItem['row']['uid']) ? '<a href="#" class="pull-right" onclick="' . htmlspecialchars($aOnClick) . '"><i class="fa fa-caret-square-o-right"></i></a>' : '';
 			$out .= '<li' . ($classAttr ? ' class="' . trim($classAttr) . '"' : '') . '><span class="list-tree-group' . $selected . '">' . $cEbullet . $treeItem['HTML'] . $this->wrapTitle($this->getTitleStr($treeItem['row'], $titleLen), $treeItem['row'], $this->ext_pArrPages) . '</span>';
 
 			if (!$treeItem['hasSub']) {
diff --git a/typo3/sysext/t3skin/Resources/Public/Css/visual/t3skin.css b/typo3/sysext/t3skin/Resources/Public/Css/visual/t3skin.css
index 9758dba8139aa12325bfe10e644edb9c1e52b60d..b2cb95b0bdfac7b0f77949acfbd6225c6565ffa9 100644
--- a/typo3/sysext/t3skin/Resources/Public/Css/visual/t3skin.css
+++ b/typo3/sysext/t3skin/Resources/Public/Css/visual/t3skin.css
@@ -10052,40 +10052,6 @@ span.checkbox-spinner {
   height: auto;
   overflow: visible;
 }
-div.typo3-dyntabmenu-divs-foldout div.tab,
-div.typo3-dyntabmenu-divs-foldout div.tabact,
-div.typo3-dyntabmenu-divs-foldout div.disabled {
-  border: solid black 1px;
-  border-radius: 3px;
-}
-div.typo3-dyntabmenu-divs-foldout div.tab {
-  background: #c4d4cd;
-  background-image: url('../../../../icons/gfx/ol/plusbullet.gif');
-  background-repeat: no-repeat;
-}
-div.typo3-dyntabmenu-divs-foldout div.tab:hover {
-  background: #f6eab7;
-  background-image: url('../../../../icons/gfx/ol/arrowbullet.gif');
-  background-repeat: no-repeat;
-}
-div.typo3-dyntabmenu-divs-foldout div.tabact {
-  background: #e7dba8;
-  background-image: url('../../../../icons/gfx/ol/minusbullet.gif');
-  background-repeat: no-repeat;
-}
-div.typo3-dyntabmenu-divs-foldout div.tabact:hover {
-  background: #f6eab7;
-  background-image: url('../../../../icons/gfx/ol/arrowbullet.gif');
-  background-repeat: no-repeat;
-}
-div.typo3-dyntabmenu-divs-foldout div.disabled {
-  background: #ccc;
-  color: #999;
-}
-div.typo3-dyntabmenu-divs-foldout div.disabled:hover {
-  background: #f6eab7;
-  color: #999;
-}
 .t3-overview-list dt {
   padding: 0 0 2px 20px;
 }