diff --git a/style/spreadquiz.css b/style/spreadquiz.css
index cc3598a..d058141 100644
--- a/style/spreadquiz.css
+++ b/style/spreadquiz.css
@@ -404,4 +404,19 @@ section.bad-answer section.answer input[type="radio"]:checked+label:not(.correct
 section#further-info {
     font-size: 0.8em;
     padding: 0.4em 0;
+}
+
+input[type="button"] {
+    background-color: #176767;
+    color: white;
+    border: none;
+    padding: 3pt;
+    margin: 1pt;
+    font-weight: bolder;
+    border-radius: 2pt;
+    cursor: pointer;
+}
+
+input[type="button"]:hover {
+    background-color: #408d8d;
 }
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