Remove duplicate style

Author: SuperSimpleDev

1-exercise-solutions/lesson-04/4f.html

@@ -9,7 +9,6 @@
     padding-left: 16px;
     padding-right: 16px;
 
-    border-radius: 8px;
     border-radius: 18px;
     font-weight: bold;
     font-size: 15px;