body {margin: 0px; overflow: hidden;} #pauseButton, #homeButton, #trailButton, #zoomButton {position: fixed; bottom: 20px; background-color: rgba(0, 0, 0, 0.5); color: white; border: none; padding: 10px; font-size: 16px; cursor: pointer; border-radius: 5px; opacity: 0.75;} #zoomButton {right: 20px;} #pauseButton {right: 140px;} #homeButton {right: 100px;} #trailButton {right: 60px;} #pauseButton:hover, #homeButton:hover, #trailButton:hover, #zoomButton:hover {opacity: 1;} #buttonContainer {position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; height: 40px; width: 160px;} button {background-color: rgba(0, 0, 0, 0.5); color: white; border: none; height: 40px; width: 40px; font-size: 16px; cursor: pointer; border-radius: 5px; opacity: 0.75; display: flex; justify-content: center; align-items: center;} button:hover {opacity: 1;}