dt.activate = function()

in theme/src/main/assets/assets/javascripts/paradox-material-theme.js [199:208]


        dt.activate = function() {
          dl.querySelectorAll(':scope .mdc-tab--active').forEach(active => {
            active.classList.remove('mdc-tab--active')
          })
          contentContainer.querySelectorAll(':scope .mdc-tab-content--active').forEach(active => {
            active.classList.remove('mdc-tab-content--active')
          })
          dt.classList.add('mdc-tab--active')
          tabContent.classList.add('mdc-tab-content--active')
        }