fix border radius on element.

set a value to border-radius large, and actually make border radius
small smaller than border radius large.

Make dialog border radius coherent with the rest of the UI.

IPython/html/static/base/less/variables.less

@@ -10,8 +10,9
 @modal-inner-padding: 15px;
 @grid-float-breakpoint: 540px;
 @logo_height: 28px;
+@border-radius-small: 1px;
 @border-radius-base: 2px;
-@border-radius-small: 2px;
+@border-radius-large: 3px;;
 @grid-gutter-width: 0px;
 
 // Disable modal slide-in from top animation.
@@ -49,4 +50,4 label {
 @page-min-height: 70vh;
 @page-backdrop-color: #EEE;
 @page-color: @body-bg;
-@page-padding: 15px;
  No newline at end of file
+@page-padding: 15px;

IPython/html/static/style/style.min.css

@@ -314,7 +314,7 img {
   height: auto;
 }
 .img-rounded {
-  border-radius: 6px;
+  border-radius: 3px;
 }
 .img-thumbnail {
   padding: 4px;
@@ -702,7 +702,7 kbd {
   font-size: 90%;
   color: #ffffff;
   background-color: #333333;
-  border-radius: 2px;
+  border-radius: 1px;
   box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.25);
 }
 pre {
@@ -1795,7 +1795,7 fieldset[disabled] .checkbox-inline {
   padding: 5px 10px;
   font-size: 12px;
   line-height: 1.5;
-  border-radius: 2px;
+  border-radius: 1px;
 }
 select.input-sm {
   height: 30px;
@@ -1810,7 +1810,7 select[multiple].input-sm {
   padding: 10px 16px;
   font-size: 17px;
   line-height: 1.33;
-  border-radius: 6px;
+  border-radius: 3px;
 }
 select.input-lg {
   height: 45px;
@@ -2319,21 +2319,21 fieldset[disabled] .btn-link:focus {
   padding: 10px 16px;
   font-size: 17px;
   line-height: 1.33;
-  border-radius: 6px;
+  border-radius: 3px;
 }
 .btn-sm,
 .btn-group-sm > .btn {
   padding: 5px 10px;
   font-size: 12px;
   line-height: 1.5;
-  border-radius: 2px;
+  border-radius: 1px;
 }
 .btn-xs,
 .btn-group-xs > .btn {
   padding: 1px 5px;
   font-size: 12px;
   line-height: 1.5;
-  border-radius: 2px;
+  border-radius: 1px;
 }
 .btn-block {
   display: block;
@@ -3312,7 +3312,7 input[type="button"].btn-block {
   padding: 10px 16px;
   font-size: 17px;
   line-height: 1.33;
-  border-radius: 6px;
+  border-radius: 3px;
 }
 select.input-group-lg > .form-control,
 select.input-group-lg > .input-group-addon,
@@ -3335,7 +3335,7 select[multiple].input-group-lg > .input-group-btn > .btn {
   padding: 5px 10px;
   font-size: 12px;
   line-height: 1.5;
-  border-radius: 2px;
+  border-radius: 1px;
 }
 select.input-group-sm > .form-control,
 select.input-group-sm > .input-group-addon,
@@ -3381,12 +3381,12 select[multiple].input-group-sm > .input-group-btn > .btn {
 .input-group-addon.input-sm {
   padding: 5px 10px;
   font-size: 12px;
-  border-radius: 2px;
+  border-radius: 1px;
 }
 .input-group-addon.input-lg {
   padding: 10px 16px;
   font-size: 17px;
-  border-radius: 6px;
+  border-radius: 3px;
 }
 .input-group-addon input[type="radio"],
 .input-group-addon input[type="checkbox"] {
@@ -4194,13 +4194,13 select[multiple].input-group-sm > .input-group-btn > .btn {
 }
 .pagination-lg > li:first-child > a,
 .pagination-lg > li:first-child > span {
-  border-bottom-left-radius: 6px;
-  border-top-left-radius: 6px;
+  border-bottom-left-radius: 3px;
+  border-top-left-radius: 3px;
 }
 .pagination-lg > li:last-child > a,
 .pagination-lg > li:last-child > span {
-  border-bottom-right-radius: 6px;
-  border-top-right-radius: 6px;
+  border-bottom-right-radius: 3px;
+  border-top-right-radius: 3px;
 }
 .pagination-sm > li > a,
 .pagination-sm > li > span {
@@ -4209,13 +4209,13 select[multiple].input-group-sm > .input-group-btn > .btn {
 }
 .pagination-sm > li:first-child > a,
 .pagination-sm > li:first-child > span {
-  border-bottom-left-radius: 2px;
-  border-top-left-radius: 2px;
+  border-bottom-left-radius: 1px;
+  border-top-left-radius: 1px;
 }
 .pagination-sm > li:last-child > a,
 .pagination-sm > li:last-child > span {
-  border-bottom-right-radius: 2px;
-  border-top-right-radius: 2px;
+  border-bottom-right-radius: 1px;
+  border-top-right-radius: 1px;
 }
 .pager {
   padding-left: 0;
@@ -4377,7 +4377,7 a.list-group-item.active > .badge,
   font-weight: 200;
 }
 .container .jumbotron {
-  border-radius: 6px;
+  border-radius: 3px;
 }
 .jumbotron .container {
   max-width: 100%;
@@ -5047,11 +5047,11 a.list-group-item-danger.active:focus {
 }
 .well-lg {
   padding: 24px;
-  border-radius: 6px;
+  border-radius: 3px;
 }
 .well-sm {
   padding: 9px;
-  border-radius: 2px;
+  border-radius: 1px;
 }
 .close {
   float: right;
@@ -5118,7 +5118,7 button.close {
   background-color: #ffffff;
   border: 1px solid #999999;
   border: 1px solid rgba(0, 0, 0, 0.2);
-  border-radius: 6px;
+  border-radius: 3px;
   -webkit-box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
   box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
   background-clip: padding-box;
@@ -5302,7 +5302,7 button.close {
   background-clip: padding-box;
   border: 1px solid #cccccc;
   border: 1px solid rgba(0, 0, 0, 0.2);
-  border-radius: 6px;
+  border-radius: 3px;
   -webkit-box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
   box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
   white-space: normal;
@@ -9671,6 +9671,7 p {
   background-color: #ffffff;
   background-image: none;
   border: 1px solid #cccccc;
+  border-radius: 2px;
   -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
   box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
   -webkit-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
@@ -9679,7 +9680,7 p {
   padding: 5px 10px;
   font-size: 12px;
   line-height: 1.5;
-  border-radius: 2px;
+  border-radius: 1px;
   width: inherit;
   font-size: 87%;
   height: 22px;