.line-test-wrapper {
    position: relative;
    padding: 100px 0;
}

.line-section {
    width: 300px;
    height: 150px;
    margin: 200px auto;
    text-align: center;
    line-height: 150px;
    background: #eee;
    border-radius: 10px;
    font-weight: bold;
    position: relative;
    z-index: 2;
}

#line-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    pointer-events: none;
    z-index: 10;
}

/* Mobile: bestimmte Linien ausblenden */
@media (max-width: 1050px) {
  #line-overlay #linie-green,
  #line-overlay #linie-yellow-2,
  #line-overlay #linie-cyan-2,
  #line-overlay #linie-cyan-4,
  #line-overlay #linie-blue-2 {
    display: none;
  }
	#line-overlay #linie-cyan-3 {
		
	}
  /* Falls Marker auf diesen Pfaden liegen könnten, auch Marker ausblenden: */
  #line-overlay #marker,
  #line-overlay #marker-blue {
    display: none;
  }
}