CSS property: -webkit-box-align
    Description
Specifies the alignment of nested elements within an outer flexible box element.
This property specifies the horizontal alignment if the box direction is vertical, and vice versa. This property applies only to flexible box layouts. For more information about flexible boxes, see http://www.w3.org/TR/css3-layout/.
Syntax
-webkit-box-align: baseline | center | end | start | stretch;
Values
- baseline
- Elements are aligned with the baseline of the box. 
- center
- Elements are aligned with the center of the box. 
- end
- Elements are aligned with the end of the box. 
- start
- Elements are aligned with the start of the box. 
- stretch
- Elements are stretched to fill the box.