/**
 * @class Ext.layout.Fit
 */
 
.x-layout-fit.x-stretched > .x-layout-fit-item {
    @include st-box();
    @include st-box-flex(1);
}
 
.x-layout-fit {
    position: relative;
}
 
.x-layout-fit-item {
    &.x-sized {
        @include absolute-position();
    }
 
    &.x-unsized {
        width: 100%;
        height: 100%;
    }
}