Adjust layout of images on mobile

Site URL: https://www.rawboxxjax.com/

See images. I want  to change my images (cat and dog) to show smaller and side-by-side on mobile, closer to how they appear on desktop. Instead, they automatically stack. TIA.

https://www.rawboxxjax.com

Add to Design > Custom CSS

/* Mobile dog cat side by side */
@media screen and (max-width:767px) {
div#block-yui_3_17_2_1_1637595071033_3891+.row .span-3 {
    width: 50% !important;
    float: left !important;
}
}