* {
  box-sizing: border-box;
}
body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    /* background: #ddd; */
    background-image: url("InfinityWar.jpg");

  /* Full height */
  height: 100%; 

  /* Center and scale the image nicely */
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  }
.content {
  display: flex;
  align-items: center;
  flex-direction: column;
    /* background: #ddd; */
}
#start-btn {
  font-size: 36px;
  padding: 20px 40px 20px 80px;
  margin-top: 30px;
  border-radius: 10px;
  background: url('thanos-logo.png') white 15px no-repeat;
  background-size: 50px;
}
.dust {
  position: absolute;
}