body {
  background: #000000;
  margin: 0 auto;
  user-select: none;
}
img {
  width: 100%;
  height: auto;
}
h1 {
  font-size: 50px;
  text-align: center;
  white-space: nowrap;
  letter-spacing: 0.1rem;
  font-family: 'Syne Mono', monospace;
}
h2 {
  font-size: 35px;
  margin-left: 10px;
}
p {
  text-align: center;
  font-size: 20px;

}
ul {
  list-style: none;
  display: flex;
}
li {
  margin: 20px 10px;
}
/* header */
header {
  background: #ffffff;
  width: 100vW;
}
#top {
  width: 100%;
  position: relative;
}
#top > h1 {
  text-shadow: 3px 3px 3px gray;
}

/* main */
#game1, #game2 {
  background: #ffffff;
  width: 80%;
  margin: 60px auto;
  padding: 20px;
  border-radius: 10px;
}
#game1 > .img,
#game2 > .img {
  width: 70%;
  height: auto;
  margin: 0 auto;
}
.btn,
a.btn {
  font-size: 25px;
  font-weight: bold;
  display: block;
  margin: 10px auto;
  padding: 20px 25px;
  height: auto;
  white-space: nowrap;
  cursor: pointer;
  -webkit-transition: all 1s;
  transition: all 1s;
  text-align: center;
  text-decoration: none;
  letter-spacing: 0.1em;
  color: #212529;
  border-radius: 10px;
}
.btn--orange,
a.btn--orange {
  color: #fff;
  background-color: #eb6100;
}
.btn--orange:hover,
a.btn--orange:hover {
  color: #fff;
  background: #f56500;
  text-shadow: 4px 4px 4px gray;
}
/* footer */
footer {
  background: white;
  height: 20vh;
}
.fa-2x {
  color: #000000;
}
footer > p {
  margin: 0 10px;
  text-align: right;
}

@media screen and (max-width: 479px) {
  
  /* header */
  header {
    height: 60vh;
  }
  #top > h1 {
    padding: 50px 0 30px 0;
    margin: 0;
  }
  .img1 { 
    width: 100%;
    height: auto;
  }
  /* main */
  .btn,
  a.btn {
    width: 60%;
  }
  
}

@media screen and (min-width:480px) {

  /* header */
  header {
    height: auto;
  }
  #top {
    display: flex;
  }
  #top > h1 {
    position: absolute;
    top: 20%;
    left: 8%;
    transform: translate(-8%, -20%);
    -webkit-transform: translate(-8%, -20%); 
    -ms-transform: translate(-8%, -20%);
  }
  .img1 {
    width: 65%;
    margin-top: 50px;
    margin-left: auto;
  }
  /* main */
  .btn,
  a.btn {
    width: 40%;
  }
}