body {
  background-image: url(https://die-welt.in-meinen-bildern.de/Bilder/Hintergrund.avif);
  background-color: #222;
  background-size: 100% 100%;
  width: 1450px;
  margin: auto;
}

.jahr-button {
    width: 100px;
    text-align: left;
    border: none;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
    color: red;
    background-color: #222;
}

.jahr ul {
    width: 100px;
    list-style: none;
    padding-left: 0px;
    margin-left: 0px;
}

.jahr li {
    margin: 0px;
    padding-left: 0px;
    margin-left: 0px;
    margin-top: 10px;
    color: red;
}

.seite {
  display: flex;
  gap: 20px;
}

nav {
  /*width: 120px;
  font-size: 60%;*/
  margin-top: 100px;
}

.spalten-layout {
  display: flex;
  flex: 1;
  gap: 25px;
  justify-content: space-between;
  padding-top: 25px;
}

.left, .middle, .right {
  width: 30%;
  box-sizing: border-box;
}

/* Typografie und andere bereits bestehende Regeln ... */
h1, h2, h3, p, li, blockquote {
  font-family: sans-serif;
  letter-spacing: 0.02em;
  color: #999;
  font-size: 100%;
  text-align: justify;
}

h1 {
  font-size: 160%;
  text-align: left;
}

h2 {
  text-align: left;
  font-size: 120%;
}

h3 {
  text-align: left;
}

.text-small {
  font-size: 60%;
}

a, span {
  color: #ccc;
  text-decoration: none;
}

img:hover {
  outline: 1px solid #fff;
}

.share-button {
  display: inline-block;
  background-color: #1da1f2; /* X/Twitter-Blau */
  color: white;
  padding: 10px 16px;
  border-radius: 9999px; /* pill shape */
  font-weight: bold;
  text-decoration: none;
  font-family: sans-serif;
  transition: background-color 0.3s;
}

.share-button:hover {
  background-color: #0d8ddb; /* dunkleres Blau beim Hover */
}