Declaration dropped. material.css:3943:11Unknown pseudo-class or pseudo-element ‘-ms-input-placeholderRuleset ignored due to bad selector. material.css:3988:15
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但它们都是来自maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css的Unknown pseudo-class or pseudo-elementUnknown pseudo-class or pseudo-element '-webkit-search-cancel-button'.Unknown pseudo-class or pseudo-element '-ms-inpu
center; text-shadow: 0 0 5px #000; /* Display and position the pseudo-elementcontent: " "; top: 0; bottom: 0;
/* Move the pseudo-element* Because the pseudo-eleme