.landerrocket {
position:absolute;
background-image: url('/v5/3/SpaceRocketNewsm.png');
background-size: 100% 100%;
cursor:pointer;
}

.astronautj {
position:absolute;
background-image: url('/v5/3/AstronautNewJsm.png');
background-size: 100% 100%;
cursor:pointer;
}

.lander {
position:absolute;
background-image: url('/v5/3/SpaceLanderNewsm.png');
background-size: 100% 100%;
cursor:pointer;
}

.astronautd {
position:absolute;
background-image: url('/v5/3/AstronautNewDsm.png');
background-size: 100% 100%;
cursor:pointer;
}

@media screen and (max-height: 650px) {
.landerrocket {background-image: url('/v5/3/SpaceRocketNewsmM.png');}
.astronautj {background-image: url('/v5/3/AstronautNewJsmM.png');}
.lander {background-image: url('/v5/3/SpaceLanderNewsmM.png');}
.astronautd {background-image: url('/v5/3/AstronautNewDsmM.png');}
}