oembed.formatter.css

Same filename in this branch
  1. 11.1.x core/modules/media/css/oembed.formatter.css
.media-oembed-content {
  max-width: 100%;
  border: none;
  background-color: transparent;
}

File

core/themes/stable9/css/media/oembed.formatter.css

View source 
  1. .media-oembed-content {

  2.   max-width: 100%;

  3.   border: none;

  4.   background-color: transparent;

  5. }