Buttons in mobile dont show up beside eachother

Site URL: https://www.sverrekleppe.com/home1

on the desktop version of my site, buttons show up beside eachother on the landing page. but when i go to the site on mobile they move. i cant seem to find any soloution in 7.1 so im wondering if i have to use custom css to fix this. i cant code so im asking here

30 minutes ago, sverrekleppe said:

Site URL: https://www.sverrekleppe.com/home1

on the desktop version of my site, buttons show up beside eachother on the landing page. but when i go to the site on mobile they move. i cant seem to find any soloution in 7.1 so im wondering if i have to use custom css to fix this. i cant code so im asking here

Copy the code to Design->Custom Css

#block-yui_3_17_2_1_1604324417107_5466 + .row .span-6 {
  float: left !important;
  width: 50% !important;
}