ie.css 

/* IE renders monospace font too big. */
code,
pre,
kbd {
  font-size: 1em;
}

/* Node Add/Edit Page Layout */

.layout-node-form {
  overflow: hidden;
}

.overlay .node-actions {
  margin-bottom: 1em;
}

.node-main-content,
.node-actions {
  padding: 0.5em 1.5em 0 1.5em;
}

/**
 * 1. Applies the Position Is Everything technique for equal-height columns;
 *    @see http://www.positioniseverything.net/articles/onetruelayout/equalheight
 * 2. When animating the height of elements within this region, prevent
 *    vertical jittering of elements further down in the document flow.
 */
.node-advanced-settings {
  margin-bottom: -999em;
  padding-bottom: 999em;
  display: table;

  -moz-box-shadow: inset 0.1em -1em 0.6em rgba(100, 100, 100, .1);
  -webkit-box-shadow: inset 0.1em -1em 0.6em rgba(100, 100, 100, .1);
  box-shadow: inset 0.1em -1em 0.6em rgba(100, 100, 100, .1);
  border: none;
}

File

drupal/core/themes/seven/ie.css
View source