diff --git a/src/index.html b/src/index.html
index 91716c4..245cc1c 100644
--- a/src/index.html
+++ b/src/index.html
@@ -17,20 +17,20 @@
 		<div class="main-container">
 			<div class="main-header">
 				<div class="main-header__btn-wrap  fr flex  flex-v-center">
-					<a id="js-add-library-btn" class="fleex-v-center hint--bottom-left" aria-label="Add a JS/CSS library">
+					<a id="js-add-library-btn" class="fleex-v-center hint--rounded hint--bottom-left" aria-label="Add a JS/CSS library">
 						Add library <span id="js-external-lib-count" style="display:none;" class="count-label"></span>
 					</a>
 
-					<a class="flex  flex-v-center hint--bottom-left" aria-label="Start a new creation" d-click="onNewBtnClick">
+					<a class="flex  flex-v-center hint--rounded hint--bottom-left" aria-label="Start a new creation" d-click="onNewBtnClick">
 						<svg style="vertical-align:middle;width:14px;height:14px" viewBox="0 0 24 24">
     						<path d="M19,13H13V19H11V13H5V11H11V5H13V11H19V13Z" />
 						</svg>New
 					</a>
-					<a id="saveBtn" class="flex  flex-v-center hint--bottom-left" aria-label="Save current creation (Ctrl/⌘ + S)" d-click="onSaveBtnClick">
+					<a id="saveBtn" class="flex  flex-v-center hint--rounded hint--bottom-left" aria-label="Save current creation (Ctrl/⌘ + S)" d-click="onSaveBtnClick">
 						<svg style="vertical-align:middle;width:14px;height:14px" viewBox="0 0 24 24">
     						<path d="M15,9H5V5H15M12,19A3,3 0 0,1 9,16A3,3 0 0,1 12,13A3,3 0 0,1 15,16A3,3 0 0,1 12,19M17,3H5C3.89,3 3,3.9 3,5V19A2,2 0 0,0 5,21H19A2,2 0 0,0 21,19V7L17,3Z" />
 						</svg>Save</a>
-					<a class="flex  flex-v-center  hint--bottom-left" aria-label="Open a saved creation (Ctrl/⌘ + O)" d-click="onOpenBtnClick">
+					<a class="flex  flex-v-center hint--rounded hint--bottom-left" aria-label="Open a saved creation (Ctrl/⌘ + O)" d-click="onOpenBtnClick">
 						<svg style="width:14px;height:14px;vertical-align:middle;" viewBox="0 0 24 24">
 						    <path d="M13,9V3.5L18.5,9M6,2C4.89,2 4,2.89 4,4V20A2,2 0 0,0 6,22H18A2,2 0 0,0 20,20V8L14,2H6Z" />
 						</svg>Open