diff --git a/edit.html b/edit.html
index dfc741cc..91a4e539 100644
--- a/edit.html
+++ b/edit.html
@@ -418,7 +418,7 @@
           <summary><h2 i18n-text="sections"></h2></summary>
           <ol id="toc"></ol>
         </details>
-        <details id="lint" data-pref="editor.lint.expanded" class="hidden-unless-compact ignore-pref-if-compact">
+        <details id="lint" data-pref="editor.lint.expanded" class="ignore-pref-if-compact">
           <summary>
             <h2 i18n-text="linterIssues">: <span id="issue-count"></span>
               <a id="lint-help" class="svg-inline-wrapper intercepts-click" tabindex="0">
@@ -431,7 +431,7 @@
           </div>
         </details>
       </div>
-      <div id="footer" class="hidden">
+      <div id="footer">
         <a href="https://github.com/openstyles/stylus/wiki/Usercss"
            i18n-text="externalUsercssDocument"
            target="_blank"></a>
diff --git a/edit/base.js b/edit/base.js
index f3d4261e..6f9a90e4 100644
--- a/edit/base.js
+++ b/edit/base.js
@@ -121,41 +121,41 @@ const baseInit = (() => {
 //#endregion
 //#region init layout/resize
 
-baseInit.domReady.then(() => {
-  let headerHeight;
-  detectLayout(true);
-  window.on('resize', () => detectLayout());
+// baseInit.domReady.then(() => {
+  // let headerHeight;
+  // detectLayout(true);
+  // window.on('resize', () => detectLayout());
 
-  function detectLayout(now) {
-    const compact = window.innerWidth <= 850;
-    if (compact) {
-      document.body.classList.add('compact-layout');
-      if (!editor.isUsercss) {
-        if (now) fixedHeader();
-        else debounce(fixedHeader, 250);
-        window.on('scroll', fixedHeader, {passive: true});
-      }
-    } else {
-      document.body.classList.remove('compact-layout', 'fixed-header');
-      window.off('scroll', fixedHeader);
-    }
-    for (const el of $$('details[data-pref]')) {
-      el.open = compact ? false : prefs.get(el.dataset.pref);
-    }
-  }
+  // function detectLayout(now) {
+    // const compact = window.innerWidth <= 850;
+    // if (compact) {
+      // document.body.classList.add('compact-layout');
+      // if (!editor.isUsercss) {
+        // if (now) fixedHeader();
+        // else debounce(fixedHeader, 250);
+        // window.on('scroll', fixedHeader, {passive: true});
+      // }
+    // } else {
+      // document.body.classList.remove('compact-layout', 'fixed-header');
+      // window.off('scroll', fixedHeader);
+    // }
+    // for (const el of $$('details[data-pref]')) {
+      // el.open = compact ? false : prefs.get(el.dataset.pref);
+    // }
+  // }
 
-  function fixedHeader() {
-    const headerFixed = $('.fixed-header');
-    if (!headerFixed) headerHeight = $('#header').clientHeight;
-    const scrollPoint = headerHeight - 43;
-    if (window.scrollY >= scrollPoint && !headerFixed) {
-      $('body').style.setProperty('--fixed-padding', ` ${headerHeight}px`);
-      $('body').classList.add('fixed-header');
-    } else if (window.scrollY < scrollPoint && headerFixed) {
-      $('body').classList.remove('fixed-header');
-    }
-  }
-});
+  // function fixedHeader() {
+    // const headerFixed = $('.fixed-header');
+    // if (!headerFixed) headerHeight = $('#header').clientHeight;
+    // const scrollPoint = headerHeight - 43;
+    // if (window.scrollY >= scrollPoint && !headerFixed) {
+      // $('body').style.setProperty('--fixed-padding', ` ${headerHeight}px`);
+      // $('body').classList.add('fixed-header');
+    // } else if (window.scrollY < scrollPoint && headerFixed) {
+      // $('body').classList.remove('fixed-header');
+    // }
+  // }
+// });
 
 //#endregion
 //#region init header
diff --git a/edit/edit.css b/edit/edit.css
index 157056ba..f0912495 100644
--- a/edit/edit.css
+++ b/edit/edit.css
@@ -77,16 +77,16 @@ html:not(.is-new-style) #heading::after {
 .options-column > div[class="option"] {
   margin-bottom: 4px;
 }
-
 .options-column > .usercss-only {
   margin-bottom: .75rem;
 }
-
 label {
   padding-left: 16px;
   position: relative;
 }
-
+input[type="checkbox"] {
+  vertical-align: middle;
+}
 /************ header ************/
 #header {
   width: 280px;
@@ -380,6 +380,9 @@ input:invalid {
   vertical-align: middle;
 }
 /* footer */
+#footer {
+  display: none;
+}
 .usercss #footer {
   display: block;
   margin-top: 1em;
@@ -1037,97 +1040,103 @@ body.linter-disabled .hidden-unless-compact {
 /************ reponsive layouts ************/
 @media(max-width: 850px) {
   body {
-    display: flex;
-    flex-direction: column;
+    height: auto;
   }
   #header {
-    flex: 0 1 auto;
-    height: unset;
-    width: unset;
-    position: inherit;
-    border-right: none;
-    border-bottom: 1px dashed #AAA;
-    padding: .5rem 1rem .5rem .5rem;
-  }
-  .fixed-header {
-    --fixed-height: 40px;
-    padding-top: var(--fixed-padding);
-  }
-  .fixed-header #header {
-    min-height: var(--fixed-height);
-    position: fixed;
-    top: 0;
-    left: 0;
-    right: 0;
-    padding: 0;
-    background-color: #fff;
-  }
-  .fixed-header #header > *:not(#details-wrapper),
-  .fixed-header #options {
-    display: none !important;
-  }
-  .fixed-header #details-wrapper {
-    padding-top: calc((var(--fixed-height) - 1.2rem) / 2); /* 1.2 is the normal line height */
-  }
-  #header summary + *,
-  #lint > .lint-scroll-container {
-    margin-left: 1rem;
-    padding: .25rem 0 .5rem;
-  }
-  #actions {
-    display: flex;
-    flex-wrap: wrap;
-    white-space: nowrap;
-    margin: 0;
-    box-sizing: border-box;
-  }
-  #header input[type="checkbox"] {
-    vertical-align: middle;
-  }
-  #header details {
-    margin: 0;
+    display: contents;
+    position: static;
   }
+
   #heading,
   h2 {
     display: none;
   }
+
   #basic-info {
-    margin-bottom: .5rem;
+    margin: .5rem;
     box-sizing: border-box;
     display: flex;
     flex-wrap: wrap;
   }
-  #basic-info > *:first-child {
+  #basic-info > :first-child {
     flex-grow: 1;
   }
-  #basic-info > *:not(:last-child) {
+  #basic-info > :not(:last-child) {
     margin-right: 0.8rem;
   }
   #basic-info #name {
     flex-grow: 1;
   }
+
+  #actions {
+    margin: .5rem;
+    display: flex;
+    gap: .5rem;
+    align-items: center;
+  }
+  #actions a,
+  #actions div a,  /* FIXME: remove a>button */
+  #actions button {
+    margin: 0;
+  }
+  #actions > div {
+    display: contents;
+  }
+
+  #details-wrapper {
+    display: flex;
+    flex-wrap: wrap;
+    margin: -0.5rem 0 0;
+    padding: .5rem .5rem 0;
+    gap: .5rem;
+    position: sticky;
+    top: 0;
+    background: white;
+    z-index: 5;
+    border-bottom: 1px dashed rgb(170, 170, 170);
+    flex-direction: row;
+  }
+  #details-wrapper > details {
+    margin-bottom: .5rem;
+  }
+  #details-wrapper::after {
+    content: "";
+    display: block;
+    height: 48px;
+    position: absolute;
+    bottom: -48px;
+    left: 0;
+    width: 100%;
+    box-shadow: 0 3rem 3rem -4.2rem inset;
+    pointer-events: none;
+  }
+  #header details[open] + details[open] {
+    margin-top: 0;
+  }
+  #header details:not(#options) {
+    max-width: 50%;
+  }
+  #header summary {
+    margin-left: 0;
+    padding-left: 4px;
+  }
+  #header summary h2 {
+    margin: 0;
+    padding: 0;
+  }
+  #header summary + * {
+    margin-left: 1rem;
+    padding: .25rem 0 0;
+  }
+
   #options-wrapper {
     display: flex;
     flex-wrap: wrap;
     box-sizing: border-box;
   }
-  #details-wrapper {
-    flex-direction: row;
-    flex-wrap: wrap;
-  }
   #options[open] {
     width: 100%;
   }
-  #sections-list[open] {
-    max-height: 102px;
-  }
-  #sections-list[open] #toc {
-    max-height: 60px;
-    overflow-y: auto;
-  }
-  #header details:not(#options) {
-    max-width: 50%;
-  }
   .options-column {
     flex-grow: 1;
     padding-right: .5rem;
@@ -1146,18 +1155,6 @@ body.linter-disabled .hidden-unless-compact {
   #options:not([open]) + #lint:not([open]) {
     margin-top: 0;
   }
-  #lint summary {
-    position: static;
-    margin-bottom:  0;
-  }
-  #header summary {
-    margin-left: 0;
-    padding-left: 4px;
-  }
-  #header summary h2 {
-    margin: 0;
-    padding: 0;
-  }
   .option label {
     margin: 0;
   }
@@ -1169,27 +1166,41 @@ body.linter-disabled .hidden-unless-compact {
     position: relative;
     top: 0.2rem;
   }
+
+  #sections-list[open] {
+    max-height: 102px;
+  }
+  #sections-list[open] #toc {
+    max-height: 60px;
+    overflow-y: auto;
+  }
+
+  #header #lint.hidden {
+    display: block!important;
+  }
+  #header #lint {
+    margin: 0;
+    min-height: 0;
+  }
+  #header #lint[open] > :not(summary) {
+    display: none;
+  }
   #lint > .lint-scroll-container {
     padding-top: 0;
     margin-right: 0;
   }
-  #lint {
-    padding: 0;
-    margin: .5rem 0 0;
-  }
   #lint:not([open]) + #footer {
     margin: .25em 0 -1em .25em;
   }
+
   .main {
-    height: unset !important;
+    height: auto;
     padding-left: 0;
     display: flex;
     flex-direction: column;
     flex: 1;
   }
-  .tab-bar {
-    margin-top: var(--fixed-height);
-  }
+
   #sections > :not(.single-editor) {
     margin: 0 .5rem;
     padding: .5rem 0;
@@ -1198,10 +1209,25 @@ body.linter-disabled .hidden-unless-compact {
     overflow: hidden;
     flex: 1;
   }
-  .usercss #options:not([open]) ~ #lint.hidden ~ #footer,
-  .usercss #lint:not([open]) + #footer {
-    margin-top: -.25em;
+
+  .usercss body {
+    display: flex;
+    height: 100vh;
+    flex-direction: column;
   }
+  .usercss #header {
+    display: block;
+    width: auto;
+    height: auto;
+    padding: 0;
+  }
+  .usercss #details-wrapper::after {
+    display: none;
+  }
+  .usercss #footer {
+    display: none;
+  }
+
   #help-popup.big[style="display: block;"],
   #help-popup[style="display: block;"] {
     width: max-content;
diff --git a/edit/linter-manager.js b/edit/linter-manager.js
index 1beba210..1a87e711 100644
--- a/edit/linter-manager.js
+++ b/edit/linter-manager.js
@@ -315,7 +315,7 @@ linterMan.DEFAULTS = {
   function updateCount() {
     const issueCount = Array.from(tables.values())
       .reduce((sum, table) => sum + table.trs.length, 0);
-    $('#lint').classList.toggle('hidden-unless-compact', issueCount === 0);
+    $('#lint').classList.toggle('hidden', issueCount === 0);
     $('#issue-count').textContent = issueCount;
   }