diff --git a/css/style.css b/css/style.css
index bfb063e..024c06f 100644
--- a/css/style.css
+++ b/css/style.css
@@ -1,3 +1,25 @@
+
+input[type="radio"] {
+  background-color: transparent;
+  border: .0625em solid #0080ff;
+  border-radius: 50%;
+  box-shadow: inset 0 0 0 0 black;
+  cursor: pointer;
+  font: inherit;
+  height: 1em;
+  outline: none;
+  width: 1em;
+  -moz-appearance: none;
+  -webkit-appearance: none;
+  
+}
+
+input[type="radio"]:checked {
+    background-color: grey;
+    box-shadow: inset 0 0 0 .1875em #white;
+    -webkit-transition: background .15s, box-shadow .1s; 
+    transition: background .15s, box-shadow .1s; 
+}
 #wrap_a {
   max-width: 800px;
   margin: 0 auto;