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so in the previous video we had introduced the idea of block level tags so we had looked at the paragraph tag as a block level tab a tag that establishes a rectangle on the browser screen and we looked at the horizontal rule tag which is an inline tag which doesnamp;#39;t establish a rectangular set section on the browser screen what for this video we want to do next is learn how to validate our code using the w3c validator and what weamp;#39;re going to find if we try to validate the code that i used in the previous example is that it isnamp;#39;t going to validate itamp;#39;s not going to be identified by the validator as being valid code so letamp;#39;s take a look at this so the thing thatamp;#39;s going to show up as an issue is this width attribute that i used in the horizontal rule tag so iamp;#39;m going to open a new tab and iamp;#39;m going to go to the w3c html validator weamp;#39;re going to pop up the validation service and weamp;#39;re going to validate by file
