Vorlage:Todo/style.css

div.notices.todo p {
    background: #fef6e7!important;
}

div.notices.todo p:first-child {
    border-image: repeating-linear-gradient(135deg, black, black 50px, #fc3 50px, #fc3 100px) 25 0!important;
    background-origin: border-box;
    background-clip: content-box, border-box;
}

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

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