diff --git a/make_post_sell/static/css/common.css b/make_post_sell/static/css/common.css
index bb276c2..2793556 100644
--- a/make_post_sell/static/css/common.css
+++ b/make_post_sell/static/css/common.css
@@ -1793,11 +1793,34 @@ section.two-column.cinema-mode.cinema-wide section.product-right section.windows
     grid-template-columns: 1fr;
     padding: 0;
     margin-bottom: 8px;
+    grid-gap: 8px;
 }
 section.two-column.cinema-mode.cinema-wide section.product-right section.windows-95-start-button,
 section.two-column.cinema-mode.cinema-wide section.product-right section.call-to-action {
     padding-left: 0;
     padding-right: 0;
+    padding-top: 0;
+    padding-bottom: 0;
+}
+
+/* Uniform button shape in the cinema sidebar — hamburger, Edit, and
+   Download all read as the same component: full column width, same
+   padding, same type, same line height. Override the mps-button-small
+   shrink on Edit so it matches its siblings instead of looking like
+   a leftover chip. */
+section.two-column.cinema-mode.cinema-wide section.product-right a.mps-button,
+section.two-column.cinema-mode.cinema-wide section.product-right button.mps-button {
+    display: block;
+    width: 100%;
+    min-width: 0;
+    box-sizing: border-box;
+    padding: 14px 16px;
+    margin-top: 0;
+    margin-bottom: 0;
+    font-size: var(--text-sm, 14px);
+    line-height: 1.3;
+    white-space: normal;
+    text-align: center;
 }
 
 /*************************************************************