Fix redundant selectors

Author: artyuum

index.php

@@ -29,12 +29,8 @@
  pre,
  input,
  button {
+ padding: 10px;
  border-radius: 5px;
- }
-
- pre,
- input,
- button {
  background-color: #efefef;
  }
 
@@ -64,12 +60,6 @@
  background-color: #e6e6e6;
  }
 
- pre,
- input,
- button {
- padding: 10px;
- }
-
  .form-group {
  display: -webkit-box;
  display: -ms-flexbox;