some css fixes

IPython/frontend/html/notebook/static/css/celltoolbar.css

@@ -1,84 +1,86 b''
 /* Css for the metadata edit area */
 
 
 .celltoolbar {
-    border: thin solid #ABABAB;
+    border: thin solid #CFCFCF;
     margin-left: 0px;
     border-bottom: none;
     background : #EEE;
     border-top-right-radius: 3px;
     border-top-left-radius: 3px;
 }
 
 .no_input_radius {
     border-top-right-radius: 0px;
     border-top-left-radius: 0px;
 }
 
 .text_cell .ctb_prompt {
     display: none;
 }
 
 .code_cell .ctb_prompt {
     display: block;
 }
 
 .ctb_hideshow {
     display: none;
 }
 
 /*ctb_show is added to either body or the ctb_hideshow div to show
 all or one cell's toolbars.
 */
 .ctb_show.ctb_hideshow, .ctb_show .ctb_hideshow {
     display: block;
 }
 
 .ctb_show .ctb_hideshow + div > div.input_area,
 .ctb_show .ctb_hideshow + div.text_cell_input {
     border-top-right-radius: 0px;
     border-top-left-radius: 0px;
 }
 
 .ctb_show > .celltoolbar {
     border-bottom-right-radius: 0px;
     border-bottom-left-radius: 0px;
 }
 
 .button_container {
     float: right;
     padding-bottom: 1px;
 }
 
 .button_container .ui-state-default, .button_container .ui-state-hover, .button_container .ui-state-hover span{
     border-radius : 0 0 0 0;
     border : none;
 }
 
 .celltoolbar .button_container select {
     margin: 10px;
     margin-top: 0px;
     margin-bottom: 0px;
-    font-size: 77%;
-    height:20px;
+    font-size: 87%;
+    height:18px;
     display:inline;
+    width:auto;
 }
 
 .celltoolbar label{
     display:inline;
 }
+
 .celltoolbar label span {
-    font-size: 77%;
+    font-size: 87%;
 }
 
 .celltoolbar input[type=checkbox] {
     margin: 0px;
     margin-left: 4px;
     margin-right: 4px;
 }
 
 
 .celltoolbar ui-button {
     border: none;
 }