.Mainimg{
	background:center/cover url(../img/Yasuoka/yasuoka1.jpg) pink;
}

.Left{
    background: center/cover url(../img/Yasuoka/yasuoka2.jpg) pink;
}
.Botom{
    background: center/cover url(../img/Yasuoka/yasuoka3.jpg) pink;
}