Bootstrap version 4

Bootstrap Version 4

4/scss/utilities/_flex.scss

@@ -0,0 +1,37 @@
+// Flex variation
+//
+// Custom styles for additional flex alignment options.
+
+@if $enable-flex {
+  @each $breakpoint in map-keys($grid-breakpoints) {
+    // Flex column reordering
+    @include media-breakpoint-up($breakpoint) {
+      .flex-#{$breakpoint}-first { order: -1; }
+      .flex-#{$breakpoint}-last { order: 1; }
+      .flex-#{$breakpoint}-unordered { order: 0; }
+    }
+
+    // Alignment for every item
+    @include media-breakpoint-up($breakpoint) {
+      .flex-items-#{$breakpoint}-top { align-items: flex-start; }
+      .flex-items-#{$breakpoint}-middle { align-items: center; }
+      .flex-items-#{$breakpoint}-bottom { align-items: flex-end; }
+    }
+
+    // Alignment per item
+    @include media-breakpoint-up($breakpoint) {
+      .flex-#{$breakpoint}-top   { align-self: flex-start; }
+      .flex-#{$breakpoint}-middle { align-self: center; }
+      .flex-#{$breakpoint}-bottom { align-self: flex-end; }
+    }
+
+    // Horizontal alignment of item
+    @include media-breakpoint-up($breakpoint) {
+      .flex-items-#{$breakpoint}-left { justify-content: flex-start; }
+      .flex-items-#{$breakpoint}-center { justify-content: center; }
+      .flex-items-#{$breakpoint}-right { justify-content: flex-end; }
+      .flex-items-#{$breakpoint}-around { justify-content: space-around; }
+      .flex-items-#{$breakpoint}-between { justify-content: space-between; }
+    }
+  }
+}