attribute selector
1. [attribute="value"] =This will select all the attribute having this specific
"value"
2.[attribute~="value"] =This will select all the attribute CONTAINING this specific
"value"
3.[class|="helo"] =This will select all the attribute which START with this
exact word/"value" and it has to be a stand alone word eg:"helo-world" NOT "heloworld"
4.[attribute^="value"] =This will select all the attribute which BEGINS with this
"value"
6.[attribute$="value"] =This will select all the attribute which ENDS with this
specific "value"
7.[attribute*="value"] =This will select all athe attribute which CONTAINS this
specific "value"