Extended list of preset classes for vertical grid units (continued from xy.css styles).
.y00 { height: 18px; margin-bottom: 18px; }
.y01 { height: 18px; }
.y02 { height: 36px; }
.y03 { height: 54px; }
.y04 { height: 72px; }
.y05 { height: 90px; }
.y06 { height: 108px; }
.y07 { height: 126px; }
.y08 { height: 144px; }
.y09 { height: 162px; }
.y10 { height: 180px; }
.y11 { height: 198px; }
.y12 { height: 216px; }
.y13 { height: 234px; }
.y14 { height: 252px; }
.y15 { height: 270px; }
.y16 { height: 288px; }
.y17 { height: 306px; }
.y18 { height: 324px; }
.y19 { height: 342px; }
.y20 { height: 360px; }
.y21 { height: 378px; }
.y22 { height: 396px; }
.y23 { height: 414px; }
.y24 { height: 432px; }
.y25 { height: 450px; }
.y26 { height: 468px; }
.y27 { height: 486px; }
.y28 { height: 504px; }
.y29 { height: 522px; }
.y30 { height: 540px; }
.y31 { height: 558px; }
.y32 { height: 576px; }
.y33 { height: 594px; }
.y34 { height: 612px; }
.y35 { height: 630px; }
.y36 { height: 648px; }