First commit.

sass/base/embedded/_embedded.scss

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+// Embedded content
+//
+// Weight: 2
+//
+// Style guide: base.embedded
+
+// Image
+//
+// An `<img>` element represents an image.
+//
+// Markup: embedded-img.twig
+//
+// Style guide: base.embedded.img
+
+img {
+  // Remove the border on images inside links in IE <11.
+  border-style: none;
+  @if support-for(ie, 7) {
+    // Improve image quality when scaled in IE 7.
+    // sass-lint:disable no-vendor-prefixes
+    -ms-interpolation-mode: bicubic;
+  }
+}
+
+img,
+svg {
+  // Suppress the space beneath the baseline
+  // vertical-align: bottom;
+
+  // Responsive images
+  max-width: 100%;
+  height: auto;
+}
+
+// Scalable vector
+//
+// A `<svg>` element represents an image encoded as a Scalable Vector Graphic.
+//
+// Markup: embedded-svg.twig
+//
+// Style guide: base.embedded.svg
+
+svg:not(:root) {
+  // Hide the overflow in IE.
+  overflow: hidden;
+}