body{font-family:Arial,sans-serif;background:#f5f7fa;color:#333}
.erwin-container{max-width:900px;margin:auto;padding:20px}
h1{color:#0b6fa4}h2{margin-top:40px;border-bottom:3px solid #0b6fa4;padding-bottom:6px}
.button{background:#0b6fa4;color:#fff;padding:10px 18px;text-decoration:none;border-radius:6px}
.kurs{background:#fff;border-left:6px solid #0b6fa4;border-radius:8px;padding:18px;margin:18px 0;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.kurs:hover{transform:translateY(-2px);transition:.2s}
.datum{display:inline-block;background:#0b6fa4;color:#fff;padding:5px 10px;border-radius:4px;font-weight:bold}