#navi td {
width: 20%;
}

#navi td a {
display: block;
height: 77.5px;
width: 192px;
max-width: 243px;
margin: 0 auto;
}

#navi td #index_1 {
background-image: url(img/select_model/003-001_cutter_crusher_button_01.png);
}

#navi td #index_3 {
background-image: url(img/select_model/003-003_knock_crusher_button_01.png);
}

#navi td #index_5 {
background-image: url(img/select_model/003-005_turbo_crusher_button_01.png);
}

#navi td #index_7 {
background-image: url(img/select_model/003-007_nuts_crusher_button_01.png);
}

#navi td #index_9 {
background-image: url(img/select_model/003-009_revo_shifter_button_01.png);
}

#navi td #index_2 {
background-image: url(img/select_model/003-002_crumb_maker_button_01.png);
}

#navi td #index_4 {
background-image: url(img/select_model/003-004_impactV_pro_button_01.png);
}

#navi td #index_6 {
background-image: url(img/select_model/003-006_sesame_crusher_button_01.png);
}

#navi td #index_8 {
background-image: url(img/select_model/003-008_disk_crusher_button_01.png);
}

#navi td #index_10 {
background-image: url(img/select_model/003-010_vibe_separator_button_01.png);
}

#navi td a:hover {
background-position: 0 -77.5px;
}

#navi td a span {
display: none;
}