--- /dev/null
+// Shorthand
+
+.fixed-top {
+ position: fixed;
+ top: 0;
+ right: 0;
+ left: 0;
+ z-index: $zindex-fixed;
+}
+
+.fixed-bottom {
+ position: fixed;
+ right: 0;
+ bottom: 0;
+ left: 0;
+ z-index: $zindex-fixed;
+}
+
+// Responsive sticky top and bottom
+@each $breakpoint in map-keys($grid-breakpoints) {
+ @include media-breakpoint-up($breakpoint) {
+ $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
+
+ .sticky#{$infix}-top {
+ position: sticky;
+ top: 0;
+ z-index: $zindex-sticky;
+ }
+
+ .sticky#{$infix}-bottom {
+ position: sticky;
+ bottom: 0;
+ z-index: $zindex-sticky;
+ }
+ }
+}