.container h1{
  font-size: 1.5em;
  text-align: center;
  margin-bottom: 30px;
  margin-top: 30px;
}

img{
  width: auto;
  height: auto;
  border: 15px solid black;
  transition:border 0.7s;
}

img:hover{
  border: 15px solid whitesmoke;

}

h1{
  background-color: steelblue;
  display: block;
  height: 100px;
  width: auto;
  padding: 3%;
  font-size: 24px;
  color: whitesmoke;
  border-radius: 15px;
}