message: refactor(style): update global style
diff: @@ -9,7 +9,7 @@ h1, h2, h3, h4, ul, li, button {
  padding: 0;
  }
  -li {
  +ul li {
  list-style-type: none;
  }
  @@ -21,3 +21,12 @@ button {
  outline: none;
  }
  }
  +
  +a {
  + color: #16a085;
  + text-decoration: none;
  +
  + &:hover {
  + text-decoration: underline;
  + }
  +}
  