CSS - Transform rotate
Rotates the element clockwise around its origin (as specified by the transform-origin property) by the specified angle. The operation corresponds to the matrix [cos(angle) sin(angle) -sin(angle) cos(angle) 0 0]. MDN: Transform rotate
Implementation with vendor prefixes borrowed from CSS3 Please!
.box_rotate {
-webkit-transform: rotate({{angle}}deg); /* Chrome, Opera 15+, Safari 3.1+ */
-ms-transform: rotate({{angle}}deg); /* IE 9 */
transform: rotate({{angle}}deg); /* Firefox 16+, IE 10+, Opera */
}