example3_css_properties - fold css properties into the cssCamelCase attributes

e.g. style:"margin-left:2em;" becomes cssMarginLeft:"2em"

show FuncyTag html string output

show Javascript source code

To Notice: Building the "style" attribute as a long string such as this:
div( { id:'middle', style:"font-size:16px;color:green;margin-left:12px;" },
often in practice leads to a lot of javascript code concatenating complex strings. So with FuncyTag any attribute starting with "css" is treated as an element of the "style" attribute, e.g.:
div( { id:'middle', cssFontSize:'16px', cssColor:'green', cssMarginLeft:'12px' },

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