@namespace url(http://www.w3.org/1999/xhtml);
*[accesskey]::after {
    text-transform: uppercase !important;
    border: 1px solid gray !important;
    background-color: rgb(220, 220, 220) !important;
    color: black ! important;
    -moz-border-radius: 4px !important;
    content: attr(accesskey) !important;
    margin-left: 2px !important;
    padding-left: 3px !important;
    padding-right: 3px !important;
    font-family: monospace !important;
}
*[accesskey]:focus::after {
    background-color: yellow !important;
}