mixin view-side-nav 
    +view('side-nav', 'Side Nav')
        .c-box
            +side-nav
                +side-nav-item= 'Section 1'
                +side-nav-item(tag='div')= 'Section 2'
                +side-nav-item= 'Section 3'

        .c-box
            +side-nav
                +side-nav-item= 'Section 1'
                +side-nav-item= 'Section 2'

                +side-nav-header= 'Category 1'
                +side-nav-item= 'Section 3'
                +side-nav-item= 'Section 4'

                +side-nav-header= 'Category 2'
                +side-nav-item= 'Section 5'
                +side-nav-item= 'Section 6'

        .c-box
            +side-nav
                +side-nav-item(icon='hash')= 'Section 1'
                +side-nav-item(tag='div' icon='bookmark')= 'Section 2'
                +side-nav-item(icon='tags')= 'Section 3'