.row {
  display: table;
}
.sub_row {
  display:table-row;
}

.col {
  display: table-cell;
}
.half
{
width:50%
}
.place_at_bottom
{
position:absolute;
bottom:0px;
}
.place_at_top
{
position:absolute;
top:0px;
}
.col > span
{
position:absolute;
bottom:-20px;
font-family:Arial;
font-size:11px;
font-weight:bold;
text-align:center;
width:100%
}
.caption, .col span
{
font-family:Arial;
font-size:11px;
font-weight:bold;
text-align:center;
width:100%;
height:20px
}
.ten
{
width:10%
}
.twenty
{
width:20%
}
.twenty-five
{
width:25%
}
.thirty
{
width:30%
}
.thirty-five
{
width:35%
}
.forty
{
width:40%
}
.forty-five
{
width:45%
}
.fifty
{
width:50%
}
.fifty-five
{
width:55%
}
.sixty
{
width:60%
}
.sixty-five
{
width:65%
}
.seventy
{
width:70%
}
.seventy-five
{
width:75%
}
.eighty
{
width:80%
}
.ninety
{
width:90%
}
.ninety-five
{
width:95%
}
.hundred
{
width:100%
}
.right-padding
{
padding-right:10px;
}
.left-padding
{
padding-left:10px;
}
.top-padding
{
padding-top:10px;
}
.relative
{
position:relative
}
.absolute
{
position:absolute
}
.border
{
border:solid #f00 1px
}
.zero-height
{
height:0px;
}
.height-250px
{
height:250px
}
#concepts .relocate
{
left:-90px;
width:135%
}
.scale135
{
width:135%;
}
.align-bottom
{
vertical-align:bottom;
}
.align-top
{
vertical-align:bottom
}
.align-middle
{
vertical-align:middle;
}