/*    body{
        background-color: dimgrey;
        font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        padding-bottom: 10em;
    }
    h1{
        color: whitesmoke;
        
    }
div.lists{
    background-color: bisque;
    margin-left: 100ox;
    width: 50%;
} */
:root { --maxw: 900px; }

body {
  margin: 0;
  font-family: system-ui, Arial, sans-serif;
  background: #1e1e1e;
  color: #f5f5f5;
}

.site-header {
  max-width: var(--maxw);
  margin: 48px auto 24px;
  text-align: center;
  padding: 0 16px;
}

.site-header h1 {
  margin: 0 0 16px;
  font-size: 2rem;
  font-weight: 700;
}

.tabs {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.tabs a {
  text-decoration: none;
  padding: 10px 14px;
  border: 1px solid #3a3a3a;
  border-radius: 10px;
  background: #2a2a2a;
  color: #fff;
}

.tabs a:hover { background: #3a3a3a; }

.content {
  max-width: var(--maxw);
  margin: 24px auto;
  padding: 0 16px 48px;
  line-height: 1.6;
}