diff --git a/public/assets/css/style.css b/public/assets/css/style.css
index 95b4333..76e67ab 100644
--- a/public/assets/css/style.css
+++ b/public/assets/css/style.css
@@ -453,7 +453,6 @@ div#content {
 }
 
 label[for="content-visibility-toggle"] {
-  margin-top: 2px;
   display: inline-block;
   padding: 0 4px;
   background-color: #EEE;
diff --git a/public/index.html b/public/index.html
index dd266a0..5da933c 100644
--- a/public/index.html
+++ b/public/index.html
@@ -113,7 +113,7 @@
     <div id="edge-inputs">
       <div id="content-visibility">
         <input type="checkbox" class="visible" id="content-visibility-toggle" />
-        <label for="content-visibility-toggle">
+        <label for="content-visibility-toggle" title="Hide/Show tab">
           <span class="open">«</span>
           <span class="close">»</span>
         </label>
@@ -121,14 +121,14 @@
 
       <div class="opt-toggle">
         <input type="checkbox" id="toggle-grid-vis" checked />
-        <label for="toggle-grid-vis">
+        <label for="toggle-grid-vis" title="Toggle grid visibility">
           <span class="off">⬡</span><span class="on">⬢</span>
         </label>
       </div>
 
       <div class="opt-toggle">
         <input type="checkbox" id="auto-center-map" />
-        <label for="auto-center-map">
+        <label for="auto-center-map" title="Auto-center map on selected units">
           <!-- These chars have a weird height issue -->
           <!-- <span class="off">⦾</span><span class="on">⦿</span> -->
           <span class="off">○</span><span class="on">●</span>
@@ -137,33 +137,36 @@
 
       <div id="toggle-firing-arc-vis">
         <input type="checkbox" data-allegiance="defender" id="defender-firing-arc-vis" />
-        <label style="color: red;" for="defender-firing-arc-vis">
+        <label style="color: red;" for="defender-firing-arc-vis"
+            title="Hide/show defender's placed firing arcs">
           <span class="hidden">▽</span><span class="visible">▼</span>
         </label>
         <br/>
         <input type="checkbox" data-allegiance="attacker" id="attacker-firing-arc-vis" />
-        <label style="color: blue;" for="attacker-firing-arc-vis">
+        <label style="color: blue;" for="attacker-firing-arc-vis"
+            title="Hide/show attacker's placed firing arcs">
           <span class="hidden">▽</span><span class="visible">▼</span>
         </label>
       </div>
 
       <div class="select-elevation">
-        <button class="up">🡅</button>
+        <button class="up" title="View elevation 1 level above current">🡅</button>
         <input type="radio" id="select-elevation-3" name="select-elevation" value="3" />
-        <label for="select-elevation-3">3</label>
+        <label for="select-elevation-3" title="View elevation level 3">3</label>
         <input type="radio" id="select-elevation-2" name="select-elevation" value="2" />
-        <label for="select-elevation-2">2</label>
+        <label for="select-elevation-2" title="View elevation level 2">2</label>
         <input type="radio" id="select-elevation-1" name="select-elevation" value="1" />
-        <label for="select-elevation-1">1</label>
+        <label for="select-elevation-1" title="View elevation level 1">1</label>
         <input type="radio" id="select-elevation-0" name="select-elevation" value="0" checked />
-        <label for="select-elevation-0">0</label>
+        <label for="select-elevation-0" title="View elevation ground level">0</label>
         <input type="radio" id="select-elevation-basement" name="select-elevation" value="-1" />
-        <label for="select-elevation-basement">-1</label>
-        <button class="down">🡇</button>
+        <label for="select-elevation-basement" title="View elevation basement
+            level" >-1</label>
+        <button class="down" title="View elevation 1 level below current">🡇</button>
       </div>
 
       <div id="dice">
-        <button type="button" id="roll-dice">Roll</button>
+        <button type="button" id="roll-dice" title="Roll two six-sided dice">Roll</button>
         <div class="die">
           <div>
             <span class="dot"></span>