add drawer arrow

web/kiri/index.css

@@ -698,6 +698,17 @@ th, tr, td, label {
     border-right: 2px dashed var(--blue-1);
     z-index: 5000;
 }
+.slideshow #slide-show span {
+    display: flex;
+}
+#slide-show {
+    flex-direction: row;
+    align-items: center;
+    justify-content: center;;
+}
+#slide-show span {
+    display: none;
+}
 
 #panel-left, #panel-right {
     max-height: 100%;

web/kiri/index.html

@@ -216,7 +216,7 @@
         <!-- left settings menu -->
         <div id="panel-left" class="f-col j-left">
             <!-- <div class="line-sep2"></div> -->
-            <div id="slide-show"></div>
+            <div id="slide-show"><span><i class="fa-solid fa-arrow-right"></i></span></div>
             <div class="f-col grow settings">
                 <!-- FDM -->
                 <div id="fdm-layers" class="set2-group mode-fdm"></div>