Use default font size for cta button (#462)

Author: jarrodmillman

assets/theme-css/styles.css

@@ -107,7 +107,6 @@ a > code {
   padding-right: 1.5rem;
   width: auto;
   height: 3rem;
-  font-size: 0.7rem;
   text-transform: uppercase;
   letter-spacing: 1.5px;
   font-weight: 500;