.infobox.ostern24 {
    font-size: clamp(1.3rem, 1.118rem + 0.91vw, 1.8rem);
    text-decoration: underline;
    background-color: #6ac321;
    color: white;
}
.infobox::before, infobox-light::before {
   
    margin-top: clamp(-0.625rem, -0.489rem + -0.68vw, -1rem);}