+Simple wrapperless column gird system
+--------------------------------------
+<section class="column 4/12">
+<section class="column 12/12">
+ <div class="6/12" ... >
+ <img class="4/12" ... >
+ box-sizing: border-box;
+/* below selectors leverage character - see: https://mathiasbynens.be/notes/css-escapes */
+.\31\/12 { /* `.1/12` */
+.\32\/12 { /* `.2/12` */
+.\33\/12 { /* `.3/12` */
+.\34\/12 { /* `.4/12` */
+ width: calc(400% / 12);}
+.\35\/12 { /* `.5/12` */
+.\36\/12 { /* `.6/12` */
+.\37\/12 { /* `.7/12` */
+.\38\/12 { /* `.8/12` */
+.\39\/12 { /* `.9/12` */
+.\31\30\/12 { /* `.10/12` */
+ width: calc(1000% / 12)
+.\31\31\/12 { /* `.11/12` */
+ width: calc(1100% / 12)
+.\31\32\/12 { /* `.12/12` */