text: let negrito = document.querySelector('div#negrito')
  let res = document.querySelector('div#res')
  
  function botao() {
      let C = Number(window.prompt(`Digite uma temperatura em ºC (Celsius)`))
  
      negrito.innerHTML = `A temperatura de ${C}ºC (Graus), corresponde a...`
      negrito.style.fontWeight = 'bolder'
      negrito.style.fontSize = '20px'
  
      let K = (C + 273.5).toLocaleString('pt-BR')
      let F = (C * 1.8 + 32).toLocaleString('pt-BR')
  
      res.innerHTML = `${K}ºK (Kelvin)`
      res.innerHTML += `<p>${F}ºF (Fahrenheit)</p>`
  }