Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

HTML How to Make a Website Responsive Web Design and Testing Refactor the Layout

OMKAR POOJARI
OMKAR POOJARI
6,352 Points

@media screen and (min-width: 480px) { #gallery li { width: 28.3333%; } #gallery li: nth-child(4n)

@media screen and (min-width: 480px) {

#gallery li { width: 28.3333%; }

#gallery li: nth-child(4n) { clear: left; } } what is my mistake

css/main.css
a {
  text-decoration: none;
}

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

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

h1, h2 {
  color: #fff;
}

nav a {
  color: #fff;
}

nav a:hover {
  color: #32673f;
}

h1 {
  font-family: Changa One, sans-serif;
  font-size: 1.75em;
  font-weight: normal;
}

img {
  max-width: 100%;
}

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

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

nav ul {
  list-style: none;
  margin: 0 10px;
  padding: 0;
}

nav li {
  display: inline-block;
}

nav a {
  font-weight: 800;
  padding: 15px 10px;
}

.profile-photo {
  display: block;
  margin: 0 auto 30px;
      max-width: 150px;
  border-radius: 100%;
}

.contact-info {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9em;
}

.contact-info a {
  display: block;
  min-height: 20px;
  background-repeat: no-repeat;
  background-size: 20px 20px;
  padding: 0 0 0 30px;
  margin: 0 0 10px;
}


@media screen and (min-width: 480px) {

  #gallery li {
    width: 28.3333%;
  }

  #gallery li: nth-child(4n)
  {
   clear: left;
  }
}
Charlotte Junker
Charlotte Junker
10,261 Points

What isn't working? Are they not floating correctly? Have you added margins to separate the list items? Try:

  #gallery li {
     width: 28.3333%;
     margin: 2.5%;
  }

1 Answer

Steven Parker
Steven Parker
231,248 Points

:point_right: You have a stray space between the colon (:) and "nth-child".