Enhance code cleanliness by adding breathing line and removing unnecessary line

Author: lintsang

Form-Controls/css/style.css

@@ -2,6 +2,7 @@ h1{
     font-family: 'Times New Roman', Times, serif;
     font-size: 1.5rem;
 }
+
 fieldset{
     background-color: #becce2;
     border: 2px solid #c0cde0;
@@ -20,14 +21,14 @@ legend{
     padding: 1em 2em;
     border: solid 1px #becce2;
     border-radius: 0.3em;
-
-
 }
+
 fieldset > div{
     padding: 0.5em 3em;
     display: grid;
     grid-template-columns: 2fr 4fr;
 }
+
 input, select, button{
     border: solid 1px #becce2;
     padding: 4px;