.cesium-fullscreenButton {
    border: solid 1px #888;
    background-color: #222;
    background-image: url(../Images/enterFullscreen.svg);
    background-size: 100% 100%;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.cesium-fullscreenButton:hover {
    border: solid 1px #95CEE6;
    background-color: #4C8EB8;
}

.cesium-fullscreenButton-exit {
    background-image: url(../Images/exitFullscreen.svg);
}