Update screenshots and theme tags

assets/book.scss

@@ -140,14 +140,21 @@ ul.pagination {
 .book-search {
   position: relative;
   margin: $padding-16 0;
+  border-bottom: 1px solid transparent;
+
+  &::after {
+    display: block;
+    content: "";
+    clear: both;
+  }
 
   input {
+    width: 100%;
+    padding: $padding-8;
+
     border: 0;
     border-radius: $padding-4;
 
-    padding: $padding-8;
-    width: 100%;
-
     background: $gray-100;
 
     &:required + .book-search-spinner {
@@ -170,10 +177,6 @@ ul.pagination {
 
     @include spin(1s);
   }
-
-  li:last-child {
-    margin-bottom: $padding-16 * 2;
-  }
 }
 
 .book-toc {

exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.json

@@ -1 +1 @@
-{"Target":"book.min.ddaf846fe3e091c10c315251bd0ca689b364c4df4335e1bdb4a921a9b9492fc3.css","MediaType":"text/css","Data":{"Integrity":"sha256-3a+Eb+PgkcEMMVJRvQymibNkxN9DNeG9tKkhqblJL8M="}}
+{"Target":"book.min.6c7317d2e8552a0ac3ea8fd4ba500c3dfb1cc9c74e7afd73eee6d729751fad30.css","MediaType":"text/css","Data":{"Integrity":"sha256-bHMX0uhVKgrD6o/UulAMPfscycdOev1z7ubXKXUfrTA="}}

static/svg/search.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/><path d="M0 0h24v24H0z" fill="none"/></svg>

theme.toml

@@ -6,7 +6,7 @@ license = "MIT"
 licenselink = "https://github.com/alex-shpak/hugo-book/blob/master/LICENSE"
 description = "Hugo documentation theme as simple as plain book"
 homepage = "https://github.com/alex-shpak/hugo-book"
-tags = ["responsive", "clean", "documentation", "docs", "flexbox"]
+tags = ["responsive", "clean", "documentation", "docs", "flexbox", "search", "mobile"]
 features = []
 min_version = "0.55"