.feed-selection-row {
  padding: 0.5em 0 1.5em;
  border-bottom: 1px solid $mutedBorderColor;
  margin-bottom:2.5em;
  position:relative;
}

.feed-selection-row:after {
  content:'';
  position:absolute;
  display:block;
  left:0;right:0;
  bottom:0;
  height:1px;
  background: rgba(white, 0.7);
}

.feed-selection-install-extension-button {
  float: right;

  @include respond-to(400) {
    display: none;
  }
}

.feed-selection-row {
  padding: 0.5em 0 1.5em;
  position:relative;
  @extend %clearfix;

}

.feed-selection-install-extension-button {
  float: right;

  @include respond-to(400) {
    display: none;
  }
}

Add clear fix to install fact link for chrome button on feed and remove border-bottom
Add clear fix to install fact link for chrome button on feed and remove border-bottom
