ISTWCMS-3577: fixing width and height for remote video

source/_patterns/04-components/remote-video/_remote-video.scss

-.uw-remote-video {
-  &__wrapper {
-    margin-left: auto;
-    margin-right: auto;
-    text-align: center;
-  }
-
-  &__wrapper.uw-contained-width {
-    @include uw-contained-width;
-  }
-
-  .media-oembed-content {
-    width: 100%;
-  }
-}
+.uw-remote-video {
+  &__wrapper {
+    margin-left: auto;
+    margin-right: auto;
+    text-align: center;
+  }
+
+  &__wrapper.uw-contained-width {
+    @include uw-contained-width;
+  }
+
+  .uw-field__item {
+    height: 0;
+    padding-bottom: 56.25%; /* 16:9 */
+    position: relative;
+
+    .media-oembed-content {
+      height: 100%;
+      left: 0;
+      position: absolute;
+      top: 0;
+      width: 100%;
+    }
+  }
+}