responsive.css

/* Set the background color of body to dark grey */
/* Default Layout */
body {
  background-color: #333;
  color: #fff;
}

.kittens {
  background-color: #fff;
  padding: 10px;
  border: 5px solid green;
  margin: 5px;
  border-radius: 100px;
}

a {
  color: white;
}
a:visited {
  color:blue;
}

/* On screens that are 992px or less, set the background color to grey */
/* Tablet */
@media screen and (max-width: 992px) {
  body {
    background-color: #666;
  }

  .kittens {
    background-color: #fff;
    padding: 10px;
    border: 15px solid red;
    margin: 0px;
  }



}

/* On screens that are 600px or less, set the background color to lighter grey */
/* Phones */
@media screen and (max-width: 600px) {
  body {
    background-color:#999;
    color: #fff;
  }

  .kittens {
    max-width: 100%;
    height:auto;
    border-radius: 0px;
  }
}