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gaia/shared/elements/gaia_toolbar/style.css

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+
+/**
+ * Gaia Toolbar
+ *
+ * Toolbars contain actions, indicators,
+ * and navigation associated with
+ * the current view.
+ */
+
+gaia-toolbar {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  height: 4rem;
+  background: rgba(0,0,0, 0.85);
+  color: #fff;
+}
+
+gaia-toolbar ul {
+  float: left;
+  height: 100%;
+  list-style: none;
+  padding: 0;
+  margin: 0;
+}
+
+gaia-toolbar ul:last-of-type {
+  float: right;
+}
+
+gaia-toolbar li {
+  float: left;
+  height: 100%;
+}
+
+gaia-toolbar button {
+  width: 5.5rem;
+  height: 100%;
+  border: none;
+  background-color: transparent;
+  background-repeat: no-repeat;
+  background-position: center;
+  padding: 0;
+  border-radius: 0;
+  color: inherit;
+}
+
+gaia-toolbar button:active {
+  background-color: #008aaa;
+}