diff --git a/bookwyrm/static/css/bookwyrm.css b/bookwyrm/static/css/bookwyrm.css
index fbd10e9b..9065d7fb 100644
--- a/bookwyrm/static/css/bookwyrm.css
+++ b/bookwyrm/static/css/bookwyrm.css
@@ -102,13 +102,14 @@ input[type=file]::file-selector-button {
     height: 2.5em;
     justify-content: center;
     line-height: 1.5;
-    padding-bottom: calc(.5em - 1px);
+    padding-bottom: calc(0.5em - 1px);
     padding-left: 1em;
     padding-right: 1em;
-    padding-top: calc(.5em - 1px);
+    padding-top: calc(0.5em - 1px);
     text-align: center;
     white-space: nowrap;
 }
+
 input[type=file]::file-selector-button:hover {
     border-color: #b5b5b5;
     color: #363636;