it appears to have `disabled="false"`, which matches these rules ``` [md-raised-button].md-primary[disabled], [md-raised-button].md-accent[disabled], [md-raised-button].md-warn[disabled], [md-raised-button][disabled][disabled], [md-fab].md-primary[disabled], [md-fab].md-accent[disabled], [md-fab].md-warn[disabled], [md-fab][disabled][disabled], [md-mini-fab].md-primary[disabled], [md-mini-fab].md-accent[disabled], [md-mini-fab].md-warn[disabled], [md-mini-fab][disabled][disabled] ``` it shouldn't have `disabled` attribute at all(should be `undefined` instead of `false`). would make plunker, but it appears to be outdated( @DevVersion ) 