.m_1 {background-repeat:no-repeat;background-position:50%;background-image: url(http://miraisu.kir.jp/kts4/m_1.gif);width:36px;height:35px;} 
.m_2 {background-repeat:no-repeat;background-position:50%;background-image: url(http://miraisu.kir.jp/kts4/m_2.gif);width:36px;height:35px;} 
.m_3 {background-repeat:no-repeat;background-position:50%;background-image: url(http://miraisu.kir.jp/kts4/m_3.gif);width:36px;height:35px;} 
.m_4 {background-repeat:no-repeat;background-position:50%;background-image: url(http://miraisu.kir.jp/kts4/m_4.gif);width:36px;height:35px;} 
.m_5 {background-repeat:no-repeat;background-position:50%;background-image: url(http://miraisu.kir.jp/kts4/m_5.gif);width:36px;height:35px;}