.grid0	{ background-image: url('images/tileset/hell0.gif'); }
.grid1	{ background-image: url('images/tileset/hell1.gif'); }
.grid2	{ background-image: url('images/tileset/hell2.gif'); }
.grid3	{ background-image: url('images/tileset/hell3.gif'); }
.grid4	{ background-image: url('images/tileset/hell4.gif'); }
.grid5	{ background-image: url('images/tileset/hell5.gif'); }
.grid6	{ background-image: url('images/tileset/hell6.gif'); }
.grid7	{ background-image: url('images/tileset/hell7.gif'); }
.grid8	{ background-image: url('images/tileset/hell8.gif'); }