upgrade to bootstrap 5.0.1 and first batch of fixes

1 files changed, 1 insertions, 21 deletions

diff --git a/vendor/twbs/bootstrap/scss/mixins/_image.scss b/vendor/twbs/bootstrap/scss/mixins/_image.scss
index 3aaa0d704..e1df779f8 100644
--- a/vendor/twbs/bootstrap/scss/mixins/_image.scss
+++ b/vendor/twbs/bootstrap/scss/mixins/_image.scss
@@ -7,30 +7,10 @@
 //
 // Keep images from scaling beyond the width of their parents.
 
-@mixin img-fluid() {
+@mixin img-fluid {
   // Part 1: Set a maximum relative to the parent
   max-width: 100%;
   // Part 2: Override the height to auto, otherwise images will be stretched
   // when setting a width and height attribute on the img element.
   height: auto;
 }
-
-
-// Retina image
-//
-// Short retina mixin for setting background-image and -size.
-
-@mixin img-retina($file-1x, $file-2x, $width-1x, $height-1x) {
-  background-image: url($file-1x);
-
-  // Autoprefixer takes care of adding -webkit-min-device-pixel-ratio and -o-min-device-pixel-ratio,
-  // but doesn't convert dppx=>dpi.
-  // There's no such thing as unprefixed min-device-pixel-ratio since it's nonstandard.
-  // Compatibility info: https://caniuse.com/css-media-resolution
-  @media only screen and (min-resolution: 192dpi), // IE9-11 don't support dppx
-    only screen and (min-resolution: 2dppx) { // Standardized
-    background-image: url($file-2x);
-    background-size: $width-1x $height-1x;
-  }
-  @include deprecate("`img-retina()`", "v4.3.0", "v5");
-}