Errors:
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “20px;” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “20px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Attribute “name” not allowed on element “div” at this point.
Duplicate attribute “class”.
Duplicate ID “from”.
Duplicate ID “to”.
Attribute “placeholder” not allowed on element “input” at this point.
Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.
Duplicate ID “flightBottom”.
Duplicate ID “comparePrices”.
Duplicate ID “selectAll”.
Duplicate ID “providers”.
Duplicate ID “airWatch”.
Duplicate ID “email”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Stray end tag “div”.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “from” was here.
The first occurrence of ID “to” was here.
The first occurrence of ID “flightBottom” was here.
The first occurrence of ID “comparePrices” was here.
The first occurrence of ID “selectAll” was here.
The first occurrence of ID “providers” was here.
The first occurrence of ID “airWatch” was here.
The first occurrence of ID “email” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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