show colors on page load

src/main.js

@@ -359,6 +359,7 @@ function splitPane(div, percent, horiz) {
   }
   div1.style.flex = `0 0 ${percent}%`
   div2.style.flex = `1 1 auto`
+  Coloris({el: ".color-field"})
   updateUI()
 }
 

src/styles.css

@@ -199,3 +199,8 @@ button {
 
   background-color: #2f2f2f;
 }
+.clr-field button {
+  width: 100% !important;
+  height: 100% !important;
+  border-radius: 5px;
+}