* {
    outline: 1px dashed rgba(255, 0, 0, 0.3);
}

table {
    border: 2px solid red !important;
}

td,
th {
    border: 1px dashed purple !important;
    padding: 4px;
}

*[style] {
    border: 2px dotted orange !important;
    background-color: rgba(255, 165, 0, 0.1) !important;
}

img:not([alt]) {
    border: 3px solid red !important;
    background-color: rgba(0, 255, 0, 0.2) !important;
}

font {
    background-color: rgba(255, 255, 0, 0.5) !important;
    border: 2px solid gold !important;
}

a:empty {
    outline: 3px solid blue !important;
    background-color: rgba(0, 0, 255, 0.1) !important;
}

[dir="rtl"] {
    background-color: rgba(0, 128, 255, 0.05) !important;
}

[dir="ltr"] {
    background-color: rgba(255, 0, 128, 0.05) !important;
}