fix: degree not showing up in gradient text generator (#293)

Fix degree not showing up in gradient text generator

Author: Ruchita1010

index.html

@@ -236,7 +236,7 @@ <h2>
             <label id="degree">
               <span class="label-title">
                 <span>Degree</span>
-                <span id="degree-display">deg</span>
+                <span id="degree-display" class="unit-display">deg</span>
               </span>
               <input
                 type="range"