Error Line 12 column 12: document type does not allow element "a" here; missing one of "p", "h1", "h2", "h3", "h4", "h5", "h6", "div", "pre", "address", "fieldset", "ins", "del" start-tag.The mentioned element is not allowed to appear in the context in which you've placed it; the other mentioned elements are the only ones that are both allowed there and can contain the element mentioned. This might mean that you need a containing element, or possibly that you've forgotten to close a previous element.One possible cause for this message is that you have attempted to put a block-level element (such as "" or "") inside an inline element (such as "", "", or "").přelož si to