@media screen and (orientation: portrait){#button1{top:15%;left:4%;width:42%;height:20%}#button2{top:15%;left:54%;width:42%;height:20%}#button3{top:65%;left:4%;width:42%;height:20%}#button4{top:65%;left:54%;width:42%;height:20%}}@media screen and (orientation: landscape){#button1{top:4%;left:15%;width:20%;height:42%}#button2{top:4%;left:65%;width:20%;height:42%}#button3{top:54%;left:15%;width:20%;height:42%}#button4{top:54%;left:65%;width:20%;height:42%}}