Try to fix: DeprecationWarning: invalid escape sequence \d DeprecationWarning: invalid escape sequence \s DeprecationWarning: invalid escape sequence \) Strings under python 3 are unicode strings rather then "regular" strings as under python 2. So all regexps need to be raw strings. We will see how many I fixed and if I broke any.

//
// Utility classes
// --------------------------------------------------


// Quick floats
.pull-right {
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}
.pull-left {
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}

// Toggling content
.hide {
  display: none;
}
.show {
  display: block;
}

// Visibility
.invisible {
  visibility: hidden;
}

// For Affix plugin
.affix {
  position: fixed;
}