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                <main class="challenge">
  <ul class="list">
      <ul class="list">
        <ul class="list" data-smiley="crying">
          <ul class="list" id="level-4">



                /* 😴 😭 😂  */

/* Challenge Ziel: Niedrig möglichste Spezifizität in den Selektoren */

/* Alle li's haben einen schlafenden Smiley vor der Nummer */
.challenge > ul li::before {
  content: '😴';

/* Nur die li's auf der 3. Ebene zeigen weinende Smileys */
ul[data-smiley='crying'] > li::before {
  content: '😭';

/* Das ul Element, welches die id 'level-4' sowie die Klasse 'list' hat, hat einen roten Rahmen */

.list#level-4 {
  border: 1px solid red;

/* Alle Texte auf der 4. Ebene sind rot, 
deren direktes Parent Element kein strong 
oder span darstellt (kein multi element selector!) */
#level-4 li > *:not(strong):not(span) {
  color: red;

/* Folgende Styles sind für das Setup */
.challenge li::before { 
  content: '😃';
  margin-right: .25em;
  vertical-align: middle;
ul {
  list-style: none;
li {
  font-size: 16px;
div {
  display: inline-block;