html,
body {
  position: relative;
  width: 100%;
  height: 100%;
  top: 0px;
  left: 0px;
  margin: 0px;
}

img {
  position: absolute;
  pointer-events: none;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  object-fit: cover;
}

form {
  position: inherit;
  left: 50%;
  margin-left: -150px;
  width: 300px;
  display: block;
  margin-bottom: 20px;
}

input[type="type"] {
  margin-top: 20px;
  width: 300px;
  color: white;
  background-color: rgba(0, 0, 0, 0);
  font-size: 40px;
  border: 0;
  outline: 0;
  padding: 10px;
  text-align: center;
  border-bottom: solid 1px white;
  font-family: "Nanum Pen Script", cursive;
}
::placeholder {
  color: white;
}

.board {
  position: inherit;
  display: block;
  left: 50%;
  margin-left: -200px;
  width: 400px;
  background-color: black;
  text-align: center;
  color: white;
  min-height: 500px;
  box-shadow: 8px 8px 8px rgba(0, 0, 0, 0.4);
  border-radius: 10px;
}

h1 {
  font-size: 50px;
  font-family: "Lobster", cursive;
  margin-bottom: 20px;
}

.list {
  font-family: "Nanum Pen Script", cursive;
  margin: 5px;
  font-size: 40px;
  cursor: pointer;
}

.list:hover {
  color: red;
}

button {
  border: 0;
  outline: 0;
  background-color: rgba(0, 0, 0, 0);
  padding: 5px;
  margin-left: 10px;
  font-size: 20px;
}