.threeColumnBox{background:#f4f4f4;padding:var(--ch-sp-32,32px)}.threeColumnWrapper{display:flex;flex-wrap:wrap;gap:var(--ch-sp-20,20px)}.threeColumnBox{flex:1 1 calc(33.33% - 20px)}.threeColumnMainHeading{margin-bottom:var(--ch-sp-32,32px);text-align:center}@media (max-width:991px){.threeColumnBox{flex:1 1 calc(50%% - 20px)}}@media (max-width:767px){.threeColumnBox{flex:1 1 100%}}
21:9	⚠  Lexical error on line 1: Unrecognized text.

  Erroneous area:
1: 50%% - 20px
^.....^ [postcss-calc]