Can't style the portfolio, it seems to me the code is the same, but I obviously did something wrong.

/*************************
GENERAL
**************************/


body {
  font-family: 'Open Sans', sans-serif;
}

#wrapper {
  max-width: 940px;
  margin: 0 auto;
  padding: 0 5%;
}

a {
  text-decoration: none;
}

img {
  max-width: 100%;
}



/*************************
HEADING
**************************/

#logo {
  text-align: center;
  margin: 0;
}

h1 {
  font-family: 'Changa one', sans-serif;
  margin: 15px 0;
  font-size: 1.75em;
  font-weight: normal;
  line-height:. 0.8em;
}

h2 {
  font-size: 0.75em;
  margin: -5px 0 0;
  font-weight: normal;
}



/*************************
NAVIGATION
**************************/

nav {
  text-align: center;
  padding: 10px 0;
  margin: 20px 0 0;
}



/*************************
FOOTER
**************************/

footer {
  font-size: 0.75em;
  text-align: center;
  padding-top: 50px;
  color: #ccc;
}




/*************************
PAGE PORTFOLIO
**************************/

#gallery {
  margin: 0;
  padding: 0;
  list-style: none;
}

#gallery li {
  float: left;
  width: 45%;
  margin: 2.5%;
  background-color: #f5f5f5;
  color: #bdc3c7;

} 




/*************************
COLORS
**************************/


body {
  background-color: #fff;
  color: #888;
}

a {
  color: #6ab47b;
}

header {
  background: #6ab47b;
  border-color: #599a68;
}

h1, h2 {
   color: #fff;
}

nav {
  color: #599a68;
}

nav a, nav a:visited {
  color: #fff;
}

nav a.selected, nav a:hover {
  color: #32673f;
}