Add search CSS.

themes/vanilla/assets/scss/search.scss

@@ -0,0 +1,89 @@
+@import "variables.scss";
+@import "mixins.scss";
+
+$search-input-padding: 0.5rem;
+$search-element-padding: 0.5rem 1rem 0.5rem 1rem;
+
+@mixin green-shadow {
+    box-shadow: 0px 0px 5px rgba($primary-color, 0.7);
+}
+
+.stork-input-wrapper {
+    display: flex;
+    flex-direction: row;
+    flex-wrap: wrap;
+}
+
+input.stork-input {
+    @include bordered-block;
+    font-family: $font-body;
+    padding: $search-input-padding;
+
+    &:active, &:focus {
+        @include green-shadow;
+        border-color: $primary-color;
+    }
+
+    flex-grow: 1;
+}
+
+.stork-close-button {
+    @include bordered-block;
+    font-family: $font-body;
+    padding: $search-input-padding;
+
+    background-color: $code-color;
+    padding-left: 1.5rem;
+    padding-right: 1.5rem;
+
+    border-left: none;
+    border-top-left-radius: 0;
+    border-bottom-left-radius: 0;
+}
+
+.stork-output-visible {
+    @include bordered-block;
+
+    border-top: none;
+}
+
+.stork-result, .stork-message, .stork-attribution {
+    padding: $search-element-padding;
+}
+
+.stork-message:not(:last-child), .stork-result  {
+    border-bottom: $standard-border;
+}
+
+.stork-results {
+    margin: 0;
+    padding: 0;
+}
+
+.stork-result {
+    list-style: none;
+
+    &.selected {
+        background-color: $code-color;
+    }
+
+    a:hover {
+        color: black;
+    }
+}
+
+.stork-title, .stork-excerpt {
+    margin: 0;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+.stork-title {
+    font-family: $font-heading;
+    font-size: 1.4rem;
+}
+
+.stork-highlight {
+    background-color: lighten(yellow, 30%);
+}