[a11y] Small fixes and improvements

src/pretix/static/pretixpresale/scss/_checkout.scss

@@ -2,6 +2,7 @@
   display: flex;
   flex-direction: row;
   margin: 15px 0 13px 0;
+  padding: 0;
   list-style: none;
 
   .checkout-step {
@@ -161,3 +162,13 @@
   padding: 15px;
   border: 1px solid $hr-border;
 }
+.panel-heading-flex {
+  display: flex;
+  flex-direction: row;
+  flex-wrap: wrap;
+  gap: 10px;
+
+  .panel-heading-flex-gap {
+    flex: 1;
+  }
+}

src/pretix/static/pretixpresale/scss/_event.scss

@@ -280,13 +280,16 @@ h2.subevent-head {
 .info-download {
     margin-top: 0;
     margin-bottom: 30px;
+    .download-btn-form + .download-btn-form {
+        margin-left: .5em;
+    }
+    button {
+        margin-top: .5em;
+    }
 }
 .lead + .info-download {
     margin-top: -15px;
 }
-.download-btn-form + .download-btn-form {
-    margin-left: .5em;
-}
 
 .refund-gift-card-code {
     font-size: 24px;

src/pretix/static/pretixpresale/scss/_forms.scss

@@ -12,6 +12,7 @@ a.btn, button.btn {
 }
 .panel-title label {
   margin-bottom: 0;
+  display: inline;
 }
 
 .form-control + .form-control-feedback {

src/pretix/static/pretixpresale/scss/main.scss

@@ -60,6 +60,8 @@ footer nav ul {
     display: flex;
     justify-content: center;
     list-style: none;
+    padding: 0;
+    flex-wrap: wrap;
 }
 footer nav li:not(:first-child):before {
     content: "·";