fix tooltip

IPython/frontend/html/notebook/static/less/notebook.less

@@ -6,6 +6,7 @@
 
 @import "variables.less";
 
+
 body {
     background-color:@notebook_background;
 }
@@ -452,6 +453,7 @@ pre, code, kbd, samp { white-space: pre-wrap; }
     color: darkred;
 }
 
-
-
+a {
+  text-decoration: underline;
+}
 

IPython/frontend/html/notebook/static/less/style.less

@@ -1,7 +1,7 @@
+@import "bootstrap-custom.less";
+@import "variables.less";
 @import "flexible-box-model.less";
 @import "notebook.less";
 @import "printnotebook.less";
 @import "renderedhtml.less";
 @import "tooltip.less";
-@import "variables.less";
-@import "bootstrap-custom";

IPython/frontend/html/notebook/static/less/tooltip.less

@@ -98,15 +98,15 @@
     padding-right:30px
 }
 
-.ipython_tooltip(@t:400ms) {
+.ipython_tooltip {
     max-width:700px;
     /*fade-in animation when inserted*/
-    -webkit-animation: fadeOut @t;
-    -moz-animation: fadeOut @t;
-    animation: fadeOut @t;
-    -webkit-animation: fadeIn @t;
-    -moz-animation: fadeIn @t;
-    animation: fadeIn @t;
+    -webkit-animation: fadeOut 400ms;
+    -moz-animation: fadeOut 400ms;
+    animation: fadeOut 400ms;
+    -webkit-animation: fadeIn 400ms;
+    -moz-animation: fadeIn 400ms;
+    animation: fadeIn 400ms;
     vertical-align: middle;
     background-color: @cell_background;
 
@@ -118,14 +118,14 @@
     padding-left:7px;
     font-family: monospace;
     min-height:50px;
-    position: absolute;
 
     .dropshadow;
     .corner-all;
 
     a {
         float:right;
-    }
+    };
+    position: absolute;
 
 }