2584871e_4_1_0_Help____Code_Style__HTML__Item
[Description] In this area, define the use of spaces for attributes and tag names. Around "=" in attribute - select this check box to have spaces added around the "=" symbol in attributes. After tag name - select this check box to have spaces added after tag names. In empty tag - select this check box to have spaces added in empty tags. [Item] 
Spaces
IntelliJ IDEA 14.1.0 Help :: Code Style. HTML