.column {
	float:left;
	margin-right:10px;
}

.columnRight {
  float:right;
  margin-left:10px;
}

.last          { margin-right:0; }
.lastRight     { margin-left:0; }

.span-124      { width:124px; }
.span-173      { width:173px; }
.span-236      { width:236px; }
.span-242      { width:242px; }
.span-275      { width:275px; }
.span-368      { width:368px; }
.span-380      { width:380px; }
.span-488      { width:488px; }
.span-504      { width:504px; }
.span-616      { width:616px; }
.span-629      { width:629px; }
.span-760      { width:760px; }
.span-800      { width:800px; }
.span-880      { width:880px; }

.append-16     { margin-right:16px; }
.append-20     { margin-right:20px; }
.append-37     { margin-right:37px; }

.prepend-10    { margin-left:10px; }

.clear         { display:inline-block; }   
* html .clear  { height:1%; }
.clear         { display:block; }

.clear:after {
  content:"."; 
  display:block; 
  height:0; 
  clear:both; 
  visibility:hidden;
}