/* floats (float-box, float-left) */
.fx { overflow: auto; }
.fl { float: left; }
.fr { float: right; }

/* lines (under-line, right-line) */
.lb { border-bottom: 2px solid black; }
.lr { border-right: 1px solid black; }
.ll { border-left: 1px solid black; }

/* gaps (right-gap, left-gap) */
.gr { margin-right: 2em; }
.gl { margin-left: 2em; }
.gn { margin: 0px; }

/* tall */
.t { min-height: 100%; }

/* layout */
#intro { width: 350px; }

/* content */
.post .body { margin-left: 3em; }