$cory-mat-size-xsmall: 600px; $cory-mat-size-small: 960px; $cory-mat-size-medium: 1280px; $cory-mat-size-large: 1920px; $cory-mat-fixed-height-top: 69px; $cory-mat-fixed-height-bottom: 69px; $cory-mat-fixed-height-collapsed: 60px;