diff --git a/css/muuri.css b/css/muuri.css
index bdaa675..ab1b0b4 100644
--- a/css/muuri.css
+++ b/css/muuri.css
@@ -469,4 +469,30 @@ input{
 .ui-dialog-content{
   padding:0 !important;
   overflow: visible !important;
+}
+
+.pixel{
+  width: 18px;
+  height: 18px;
+  margin:1px;
+  background-color:#eeeeee;
+}
+
+.pixelrow{
+  display:flex;
+  flex-direction:row;
+  width: 100%;
+  align-items: start;
+  justify-content: space-between;
+}
+
+.pixelDiv{
+  display:flex;
+  flex-direction:column;
+  align-items: stretch;
+  justify-content: space-between;
+  width: 100%;
+  padding:10px;
+  padding-top:0;
+  padding-bottom: 0;
 }
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