Hello Peter,

Did the publisher get back to you about upgrade path for those who bought 1st ed?

Thanks,
Nuatu
Hello Yan,

The gist for Unit 2.7 appears to be broken: https://gist.github.com/theburningmonk/c5daeb3755edba8e8830514854d8f969

Line 111 has lable but I think it's meant to be label?

lable, button, input {
display:block;
font-family: Arial, Helvetica, sans-serif;
font-size: 18px;
}