static/vendor/boxicons/css/transformations.css

.bx-rotate-90
{
    transform: rotate(90deg);

    -ms-filter: 'progid:DXImageTransform.Microsoft.BasicImage(rotation=1)';
}
.bx-rotate-180
{
    transform: rotate(180deg);

    -ms-filter: 'progid:DXImageTransform.Microsoft.BasicImage(rotation=2)';
}
.bx-rotate-270
{
    transform: rotate(270deg);

    -ms-filter: 'progid:DXImageTransform.Microsoft.BasicImage(rotation=3)';
}
.bx-flip-horizontal
{
    transform: scaleX(-1);

    -ms-filter: 'progid:DXImageTransform.Microsoft.BasicImage(rotation=0, mirror=1)';
}
.bx-flip-vertical
{
    transform: scaleY(-1);

    -ms-filter: 'progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)';
}