diff --git a/doc/themes/next/source/css/_custom/custom.styl b/doc/themes/next/source/css/_custom/custom.styl
index 5e47db8f..d8dd144d 100644
--- a/doc/themes/next/source/css/_custom/custom.styl
+++ b/doc/themes/next/source/css/_custom/custom.styl
@@ -1,10 +1,33 @@
 // Custom styles.
 
-.container{
+.header-inner {
+  box-shadow: 0 4px 8px 1.5px rgba(0,0,0,0.15);
+  border-radius: 0 0 10px 10px;
+}
+
+.sub-menu {
+  box-shadow: 0 4px 8px 1.5px rgba(0,0,0,0.15);
+  border-radius: 0 0 10px 10px;
+}
+
+#sub-menu-2 {
+  margin-top: -10px;
+}
+
+.post-block, .sidebar-inner {
+  box-shadow: 0 4px 8px 1.5px rgba(0,0,0,0.15) !important;
+  border-radius:10px;
+}
+
+.back-to-top {
+  border-radius: 0 0 10px 10px;
+}
+
+.container {
   min-height: 100%;
 }
 
-.container:before{
+.container:before {
   content: "";
   opacity: 0.1;
   top: 0;