@mixin o-avatar-image-hover {
    cursor: pointer;
    filter: brightness(0.8);
}

.o_field_many2one_avatar.o_clickable_m2x_avatar {
    .o_m2o_avatar:hover {
        @include o-avatar-image-hover;
    }
}

.o_field_many2manytags.avatar.o_clickable_m2x_avatar {
    img.o_m2m_avatar {
        margin-right: 2px;
        &:hover {
            @include o-avatar-image-hover;
        }
    }
}