$content-width:610px;// For the visual width, subtract 30px (2 * $block-padding + 2px borders). This comes to 580px, which is optimized for 70 characters.
// Blocks
$block-padding:14px;// Space between block footprint and focus boundaries. These are drawn outside the block footprint, and do not affect the size.
$block-spacing:4px;// Vertical space between blocks.
$block-side-ui-width:28px;// Width of the movers/drag handle UI.
$block-side-ui-clearance:2px;// Space between movers/drag handle UI, and block.
$block-container-side-padding:$block-side-ui-width+$block-padding+2*$block-side-ui-clearance;// Total space left and right of the block footprint.