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Communication with Code Challenge

I have had several instances of the communication apparently dropping with the code challenge. I get one challenge completed and the communication apparently drops. When I get re-established I am back at the beginning of the challenges which I have to repeat from challenge one.

I can move the cursor around, but cannot insert new text.

a {
  text-decoration: none;

img {
  max-width: 100%;

  margin: 0;
  padding: 0;
  list-style: none;

#gallery li {
  float: left;
  width: 45%;

#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;

You're right. There have been a lot of communication outages lately. What I do now, after having to restart more than several times, just before I click Check Work I copy everything (cmd+A then cmd+C). Then, when I'm back at Step 1 I just delete everything (cmd+A and cmd+X), and then paste in my work (cmd+V). I've found that most step 1 challenges work fine even with step 2 and step 3 work in them.

3 Answers

Thanks for the suggestion. I have been getting real frustrated, but this is a work-around until Treehouse can figure out what is going on.

I am working on a MacBook and using Safari. I would expect that Treehouse has tested that combination reasonably thoroughly.

Thanks again. I followed your suggestion today and copied my code before clicking Check Work, ran into another communication problem on the third challenge, had to restart, but was able to paste my work and get through all 3 challenges without having to re-type my answers.

I am also having this problem and I am working on Windows 10 using Explorer. I think the issue might be related to something besides which operating system or browser we're using.

Edit: Customer care recommended that if you use Safari or Explorer to download Firefox or Google Chrome. I am now using Chrome and I haven't had any communication problems with the last few code challenges. They also mentioned turning off plugins in your browser as they may cause issues. Hope this helps.