.welcome{
  width: 500px;
  padding: 40px;
  margin: 20px;
  font-size: 70px;
  background: rgba(229, 250, 2, .4);
   text-align: center;
}

.div {
  padding:10px;
  width:700px;
  font-size: 25px;
  margin: 10px;
  color:#0e4221;
  background-color:#45ff5b;
}

.buttons {
  float: right;
}

.buttons-2{
  float: right;
  margin-top: 100px;
  }