Vorlage:Todo/style.css

div.notices.todo p {
    background: #fae2e2!important;
}

div.notices.todo p:first-child {
    border-image: repeating-linear-gradient(45deg, red, red 10px, white 10px, white 20px)!important;
}

div.notices.todo p:first-child:after {
    content: "Baustelle"!important;
}

div.notices.todo p:first-child::before {
    content: "👷"!important;
}