Fix bugs with link styles

--HG--
branch : kf-links

sass/base/_base.scss

@@ -61,7 +61,7 @@ a {
     text-decoration:none;
   }
 
-  p &, li > &, .inline {
+  p &, li > &, span > &, .inline {
     border-bottom: 1px solid #bbb;
     font-style: italic;
   }

sass/base/_extends.scss

@@ -186,6 +186,7 @@ h1.top-header {
 
   a {
     color: darken(#F6EFD4, 80%);
+    border-bottom: 0;
 
     &:hover {
       color: darken(#F6EFD4, 60%);

sass/courseware/_sequence-nav.scss

@@ -224,14 +224,14 @@ section.course-content {
 
     ul {
       @extend .clearfix;
+      background-color: darken(#F6EFD4, 5%);
       border: 1px solid darken(#f6efd4, 20%);
       border-bottom: 0;
       @include border-radius(3px 3px 0 0);
+      @include box-shadow(inset 0 0 0 1px lighten(#f6efd4, 5%));
       margin: lh() auto 0;
       overflow: hidden;
       width: 106px;
-      background-color: darken(#F6EFD4, 5%);
-      @include box-shadow(inset 0 0 0 1px lighten(#f6efd4, 5%));
 
       li {
         float: left;
@@ -242,22 +242,23 @@ section.course-content {
           a {
             background-position: center center;
             background-repeat: no-repeat;
+            border-bottom: none;
+            display: block;
             padding: lh(.75) 4px;
             text-indent: -9999px;
             width: 45px;
-            display: block;
 
             &:hover {
-              text-decoration: none;
+              background-color: darken(#F6EFD4, 10%);
               color: darken(#F6EFD4, 60%);
-              text-decoration: none;
               opacity: .5;
-              background-color: darken(#F6EFD4, 10%);
+              text-decoration: none;
+              text-decoration: none;
             }
 
             &.disabled {
-              opacity: .4;
               background-color: lighten(#F6EFD4, 10%);
+              opacity: .4;
             }
           }
         }

sass/courseware/_video.scss

@@ -95,6 +95,7 @@ section.course-content {
 
             a {
               @include box-shadow(1px 0 0 #555);
+              border-bottom: none;
               border-right: 1px solid #000;
               display: block;
               cursor: pointer;

sass/discussion/_answers.scss

@@ -125,6 +125,7 @@ div.paginator {
     a {
       color: #555;
       text-decoration: none;
+      border-bottom: none;
     }
   }
 }

sass/discussion/_question-view.scss

@@ -64,7 +64,6 @@ div.question-header {
       overflow: hidden;
       padding: 5px 0 10px;
 
-
       div.tag-list {
         display: inline-block;
         float:left;
@@ -80,6 +79,7 @@ div.question-header {
 
         a {
           // color: darken(#F6EFD4, 50%);
+          border-bottom: none;
 
           &.question-delete {
             color: $mit-red;
@@ -121,6 +121,11 @@ div.question-header {
         width: 20%;
         border-left: 1px dashed #ddd;
 
+        a {
+          border-bottom: none;
+          font-style: normal;
+        }
+
         div.post-update-info {
           @include box-sizing(border-box);
           padding: 10px;
@@ -139,10 +144,6 @@ div.question-header {
             }
           }
 
-          a {
-            color:$mit-red ;
-          }
-
           div.change-date {
             font-size: 12px;
             margin-bottom: 2px;
@@ -326,6 +327,7 @@ div.question-header {
       div.controls {
         border-top: 1px solid #efefef;
         text-align: right;
+
         a {
           display: inline-block;
           font-size: 12px;

sass/discussion/_tags.scss

@@ -51,6 +51,8 @@ ul.tags {
     a {
       color: #555;
       text-decoration: none;
+      border-bottom: none;
+      font-style: normal;
     }
   }
 }

sass/layout/_footer.scss

@@ -72,6 +72,7 @@ footer {
             height: 29px;
             width: 28px;
             text-indent: -9999px;
+            border-bottom: 0;
 
             &:hover {
               opacity: .8;