@yandex/ui/Checkbox/_indeterminate/Checkbox_indeterminate.css

Yandex UI components

/* classic design */
.Checkbox_theme_normal.Checkbox_indeterminate[class] .Checkbox-Tick,
.Checkbox_theme_pseudo.Checkbox_indeterminate[class] .Checkbox-Tick {
    bottom: 0;
    left: 0;

    width: 100%;
    height: 100%;

    background-image: url('Checkbox_indeterminate.assets/indeterminate-black.svg');

    transition: bottom 0;
}