.block-element{margin:.75em 0em .75em 0em}i.angle{border:solid;border-width:0 1px 1px 0;display:inline-block;width:1ex;height:1ex}i.angle.right{transform:rotate(-45deg)}i.angle.left{transform:rotate(135deg)}i.angle.up{transform:rotate(-135deg) translate(-50%)}i.angle.down{transform:rotate(45deg) translateY(-50%)}.table{display:table;border-collapse:collapse}.table-row{display:table-row}.table-cell{display:table-cell}