diff --git a/src/commands/math/commands.js b/src/commands/math/commands.js
index 7d7cc31..20a18ac 100644
--- a/src/commands/math/commands.js
+++ b/src/commands/math/commands.js
@@ -81,6 +81,7 @@
 LatexCmds.overline = LatexCmds.bar = bind(Style, '\\overline', 'span', 'class="mq-non-leaf mq-overline"');
 LatexCmds.overrightarrow = bind(Style, '\\overrightarrow', 'span', 'class="mq-non-leaf mq-overarrow mq-arrow-right"');
 LatexCmds.overleftarrow = bind(Style, '\\overleftarrow', 'span', 'class="mq-non-leaf mq-overarrow mq-arrow-left"');
+LatexCmds.overleftrightarrow = bind(Style, '\\overleftrightarrow', 'span', 'class="mq-non-leaf mq-overarrow mq-arrow-both"');
 LatexCmds.overarc = bind(Style, '\\overarc', 'span', 'class="mq-non-leaf mq-overarc"');
 
 // `\textcolor{color}{math}` will apply a color to the given math content, where
diff --git a/src/css/math.less b/src/css/math.less
index ac6b777..65ac2e9 100644
--- a/src/css/math.less
+++ b/src/css/math.less
@@ -356,9 +356,11 @@
   }
 
   .mq-overarrow {
+    min-width: .5em;
     border-top: 1px solid black;
     margin-top: 1px;
     padding-top: 0.2em;
+    text-align: center;
 
     &:before {
       display: block;
@@ -377,5 +379,34 @@
       filter: FlipH;
       -ms-filter: "FlipH";
     }
+    &.mq-arrow-both {
+      vertical-align: text-bottom;
+
+      &.mq-empty {
+        min-height: 1.23em;
+
+        &:after {
+          top: -0.34em;
+        }
+      }
+      &:before{
+        -moz-transform: scaleX(-1);
+        -o-transform: scaleX(-1);
+        -webkit-transform: scaleX(-1);
+        transform: scaleX(-1);
+        filter: FlipH;
+        -ms-filter: "FlipH";
+      }
+      &:after {
+        display: block;
+        position: relative;
+        top: -2.3em;
+        font-size: 0.5em;
+        line-height: 0em;
+        content: '\27A4';
+        visibility: visible; //must override .mq-editable-field.mq-empty:after
+        text-align: right;
+      }
+    }
   }
 }