deleted extra borders

assets/css/stylesheet.css

@@ -159,7 +159,6 @@ body {
 .flip-card-front {
   background-color: #bbb;
   border-radius: 30px;
-  border: 1.7px solid rgb(46, 46, 46);
   color: black;
 }
 
@@ -167,6 +166,5 @@ body {
   background-color: #bbb;
   color: black;
   border-radius: 30px;
-  border: 1.7px solid rgb(46, 46, 46);
   transform: rotateY(180deg);
 }