intro-css.css

body {
  font-family: "Trebuchet MS", Helvetica, sans-serif;
  background: url(http://www.awwcute.org/wp-content/uploads/2013/03/WKIHo7t.jpg);

  -webkit-background-size: auto, auto;
  -moz-background-size: auto, auto;
  -o-background-size: auto, auto;
  background-size: auto, auto;

  /*  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;*/

  -webkit-background-size: contain;
  -moz-background-size: contain;
  -o-background-size: contain;
  background-size: contain;

}

#title { /*Use # for id; id is used for just special instances, typicaly one time use.*/
  color: white;
  font-size: 2.6em;
}

.restaurant-group { /*Use . for class; class is for multiple usage.*/
  background-color: rgba(114,92,68,0.6);
  margin: 10px;
  padding: 10px 10px 20px 10px;
  border-radius: 10px;
}

.restaurant-group h2 {
  text-transform: uppercase;
  color: #d7c2af;
}

.restaurant-group h3 {
  color: #FFF;
  font-weight: normal;
  font-style: italic;
}

a {
  text-decoration: none;
  background-color: blue;
  color: white;
  padding: 10px;
  border-radius: 1000px;
  border: 2px solid #000084;
}

a:hover {
  background-color: #555;
  padding: 15px;

}

p {
  font-size: 1.2em; /*em is relative, this line makes the font size 120% larger than the default, a preferred method*/
  font-family: Helvetica, Arial, sans-serif;
  font-weight: 100; /*Can be 100-900*/
  color: #d7c2af;
  line-height: 125%;
  letter-spacing: 2px;
  text-align: center;
}

div.play {
  height: 50px;
  width: 100px;
  border: 1px solid black;
  border-radius: 10px;
  display: inline-block;
}

#one {
  background-color: red;
}

#two {
  background-color: purple;
}

#three {
  background-color: blue;
}

#four {
  background-color: green;
  display: none;
}

img {
  float: left;
  width: 12%;
}