body {
  background-color: #9F3ED9;
  background-image: url("https://img1.akspic.ru/crops/6/5/3/5/25356/25356-galaktika-prostranstvo-planeta-kosmos-monoxromnyj_rejim-1920x1080.jpg");
  background-size: cover;
  padding: 0% 3% 0% 3%;
  border-radius: 20px;
  border:2px, solid
}

h1 {
  color: gray;
}
div {
  margin-left: 5%;
  margin-top: 4%;

  text-align: center;
}

img {
max-wight: 10%;
height: 70%;
}
button {
border-radius: 10px;
  padding: 0% 20% 0% 20%;'
  
}
button:hover {opacity .85}