Nuke all IE8 fallbacks and comments and hacks

10 files changed, 6 insertions, 31 deletions

diff --git a/less/badges.less b/less/badges.less
index e1dc57826..0c448b56f 100644
--- a/less/badges.less
+++ b/less/badges.less
@@ -18,7 +18,7 @@
   background-color: @badge-bg;
   .border-radius(@badge-border-radius);
 
-  // Empty badges collapse automatically (not available in IE8)
+  // Empty badges collapse automatically
   &:empty {
     display: none;
   }
diff --git a/less/carousel.less b/less/carousel.less
index 612e5c289..e42378af2 100644
--- a/less/carousel.less
+++ b/less/carousel.less
@@ -159,15 +159,11 @@
     border-radius: 10px;
     cursor: pointer;
 
-    // IE8-9 hack for event handling
+    // IE9 hack for event handling
     //
-    // Internet Explorer 8-9 does not support clicks on elements without a set
+    // Internet Explorer 9 does not support clicks on elements without a set
     // `background-color`. We cannot use `filter` since that's not viewed as a
     // background color by the browser. Thus, a hack is needed.
-    //
-    // For IE8, we set solid black as it doesn't support `rgba()`. For IE9, we
-    // set alpha transparency for the best results possible.
-    background-color: #000 \9; // IE8
     background-color: rgba(0,0,0,0); // IE9
   }
   .active {
diff --git a/less/dropdowns.less b/less/dropdowns.less
index c58e792be..a04773566 100644
--- a/less/dropdowns.less
+++ b/less/dropdowns.less
@@ -42,7 +42,6 @@
   font-size: @font-size-base;
   text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
   background-color: @dropdown-bg;
-  border: 1px solid @dropdown-fallback-border; // IE8 fallback
   border: 1px solid @dropdown-border;
   .border-radius(@border-radius-base);
   box-shadow: 0 6px 12px rgba(0,0,0,.175);
diff --git a/less/forms.less b/less/forms.less
index dca78cf24..f0aed90fe 100644
--- a/less/forms.less
+++ b/less/forms.less
@@ -31,7 +31,6 @@ legend {
 
 label {
   display: inline-block;
-  max-width: 100%; // Force IE8 to wrap long content (see https://github.com/twbs/bootstrap/issues/13141)
   margin-bottom: 5px;
   font-weight: bold;
 }
@@ -52,7 +51,7 @@ input[type="search"] {
 input[type="radio"],
 input[type="checkbox"] {
   margin: 4px 0 0;
-  margin-top: 1px \9; // IE8-9
+  margin-top: 1px \9; // IE9
   line-height: normal;
 }
 
@@ -182,7 +181,7 @@ input[type="time"],
 input[type="datetime-local"],
 input[type="month"] {
   line-height: @input-height-base;
-  // IE8+ misaligns the text within date inputs, so we reset
+  // IE9+ misaligns the text within date inputs, so we reset
   line-height: @line-height-base ~"\0";
 
   &.input-sm {
diff --git a/less/labels.less b/less/labels.less
index 66a2412b6..f34c019b1 100644
--- a/less/labels.less
+++ b/less/labels.less
@@ -24,7 +24,7 @@
     }
   }
 
-  // Empty labels collapse automatically (not available in IE8)
+  // Empty labels collapse automatically
   &:empty {
     display: none;
   }
diff --git a/less/mixins/opacity.less b/less/mixins/opacity.less
index 33ed25ce6..1f7148099 100644
--- a/less/mixins/opacity.less
+++ b/less/mixins/opacity.less
@@ -2,7 +2,4 @@
 
 .opacity(@opacity) {
   opacity: @opacity;
-  // IE8 filter
-  @opacity-ie: (@opacity * 100);
-  filter: ~"alpha(opacity=@{opacity-ie})";
 }
diff --git a/less/modals.less b/less/modals.less
index cf3aed5b4..a8fd0dd2b 100644
--- a/less/modals.less
+++ b/less/modals.less
@@ -51,7 +51,6 @@
 .modal-content {
   position: relative;
   background-color: @modal-content-bg;
-  border: 1px solid @modal-content-fallback-border-color; //old browsers fallback (ie8 etc)
   border: 1px solid @modal-content-border-color;
   .border-radius(@border-radius-large);
   box-shadow: 0 3px 9px rgba(0,0,0,.5);
diff --git a/less/navs.less b/less/navs.less
index 97aaab876..7a211819d 100644
--- a/less/navs.less
+++ b/less/navs.less
@@ -59,13 +59,6 @@
   .nav-divider {
     .nav-divider();
   }
-
-  // Prevent IE8 from misplacing imgs
-  //
-  // See https://github.com/h5bp/html5-boilerplate/issues/984#issuecomment-3985989
-  > li > a > img {
-    max-width: none;
-  }
 }
 
 
diff --git a/less/popovers.less b/less/popovers.less
index 555173c3a..b22ad96be 100644
--- a/less/popovers.less
+++ b/less/popovers.less
@@ -72,7 +72,6 @@
     left: 50%;
     margin-left: -@popover-arrow-outer-width;
     border-bottom-width: 0;
-    border-top-color: @popover-arrow-outer-fallback-color; // IE8 fallback
     border-top-color: @popover-arrow-outer-color;
     bottom: -@popover-arrow-outer-width;
     &:after {
@@ -88,7 +87,6 @@
     left: -@popover-arrow-outer-width;
     margin-top: -@popover-arrow-outer-width;
     border-left-width: 0;
-    border-right-color: @popover-arrow-outer-fallback-color; // IE8 fallback
     border-right-color: @popover-arrow-outer-color;
     &:after {
       content: " ";
@@ -102,7 +100,6 @@
     left: 50%;
     margin-left: -@popover-arrow-outer-width;
     border-top-width: 0;
-    border-bottom-color: @popover-arrow-outer-fallback-color; // IE8 fallback
     border-bottom-color: @popover-arrow-outer-color;
     top: -@popover-arrow-outer-width;
     &:after {
@@ -119,7 +116,6 @@
     right: -@popover-arrow-outer-width;
     margin-top: -@popover-arrow-outer-width;
     border-right-width: 0;
-    border-left-color: @popover-arrow-outer-fallback-color; // IE8 fallback
     border-left-color: @popover-arrow-outer-color;
     &:after {
       content: " ";
diff --git a/less/variables.less b/less/variables.less
index ce57ea26a..9c02f623f 100644
--- a/less/variables.less
+++ b/less/variables.less
@@ -215,8 +215,6 @@
 @dropdown-bg:                    #fff;
 //** Dropdown menu `border-color`.
 @dropdown-border:                rgba(0,0,0,.15);
-//** Dropdown menu `border-color` **for IE8**.
-@dropdown-fallback-border:       #ccc;
 //** Divider color for between dropdown items.
 @dropdown-divider-bg:            #e5e5e5;
 
@@ -551,8 +549,6 @@
 @modal-content-bg:                             #fff;
 //** Modal content border color
 @modal-content-border-color:                   rgba(0,0,0,.2);
-//** Modal content border color **for IE8**
-@modal-content-fallback-border-color:          #999;
 
 //** Modal backdrop background color
 @modal-backdrop-bg:           #000;