*[style], font, center {outline: 5px solid red !important;}
*[class=""], *[id=""] {outline: 5px dotted red !important;}

img[alt=""] {border: 3px dotted red !important;}
img:not([alt]) {border: 5px solid red !important;}
img[title=""] {outline: 3px dotted fuchsia !important;}
img:not([title]) {outline: 5px solid fuchsia !important;}

table:not([summary]) {outline: 5px solid red !important;}
table[summary=""] {outline: 3px dotted red !important;}
th {border: 2px solid red !important;}
th[scope="col"], th[scope="row"] {border: none !important;}

a[href]:not([title]) {border: 5px solid red !important;}
a[title=""] {outline: 3px dotted red !important;}
a[href="#"] {background: lime !important;}
a[href=""] {background: fuchsia !important;}