Based on a 12-column grid system
this is within the container but outside the row
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-1
.col-md-4
.col-md-4
.col-md-4
Rules
- Rows are placed w/in a container div
- Only columns may be immediate children of rows