body {
  background-color: aqua;
}

#welcome,
#timerForm,
#timer {
  flex: wrap;
  margin-top: -30%;
  margin-left: 10%;
  width: 400px;
  height: 400px;
  text-align: center;
  padding-top: 20px;
  background: azure;
}

#avatarframe {
  flex: wrap;
  margin-top: 10%;
  margin-left: 60%;
  width: 400px;
  height: 400px;
  border: none;
  background: blue;
  color: azure;
}