.block { background:#f3f3f3; width:100%;}
.block .l_t { background:url(images/l_t.gif) no-repeat left top;}
.block .r_t { background:url(images/r_t.gif) no-repeat right top;}
.block .r_b { background:url(images/r_b.gif) no-repeat right bottom;}
.block .l_b { background:url(images/l_b.gif) no-repeat left bottom;}
.block .ind { padding:20px 20px 29px 24px;}