.container{
  display: grid;
  grid-template-columns: 30% 70%;
  gap: 1em;
  padding: 0.8em;
  min-height: 640px;
  background-color: lightgray;
}
.container > div{
  padding: 1em;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background-color: slateblue;
}
.container > div > span{
  display: none;
}