Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
The “vspace” attribute on the “img” element is obsolete. Use CSS instead.
Stray end tag “div”.
The “size” attribute on the “hr” element is obsolete. Use CSS instead.
The “width” attribute on the “hr” element is obsolete. Use CSS instead.
Attribute “params” not allowed on element “span” at this point.
Bad value “https://twitter.com/home?status=Free Online Dental CE%20-%20Viva Learning%20-%20https://www.vivalearning.com/” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “item1”.
Duplicate ID “item3”.
A numeric character reference expanded to the C1 controls range.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The first occurrence of ID “item1” was here.
The first occurrence of ID “item3” was here.
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