feat(tpl): update style

Author: marjune163

src/tpl/defaultTheme/frontend/index.css

@@ -423,10 +423,6 @@ html.dragging::before {
 	zoom: 1;
 }
 
-.item-list li:hover {
-	background: #f5f5f5;
-}
-
 .item-list a {
 	padding: 0.6em;
 }
@@ -496,10 +492,6 @@ html.dragging::before {
 	background: #fee;
 }
 
-.item-list .header:hover {
-	background: none;
-}
-
 .item-list .header .detail {
 	background: #fcfcfc;
 }
@@ -591,10 +583,6 @@ html.dragging::before {
 		border-color: #555;
 	}
 
-	.item-list li:hover {
-		background: #222;
-	}
-
 	.item-list .detail,
 	.item-list .delete {
 		border-bottom-color: #222;
@@ -608,11 +596,11 @@ html.dragging::before {
 		color: #666;
 	}
 
-	.item-list .delete {
+	.item-list .delete button {
 		color: #f99;
 	}
 
-	.item-list .delete:hover {
+	.item-list .delete button:hover {
 		background-color: #433;
 	}