body {
  margin: 0;
  padding: 0;
  background: url("../img/bg.png") repeat;
  font-family: "Open Sans", sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  position: relative;
}

.box {
  background: rgba(4, 8, 21, 0.8);
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  max-width: 500px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  position: relative;
}

.logo {
  display: block;
  max-width: 150px;
  height: auto;
  margin: 0 auto 1rem auto;
}

.box p {
  margin-bottom: 2rem;
  font-size: 1rem;
  color: #fff;
}

.button-54 {
  font-family: "Open Sans", sans-serif;
  font-size: 16px;
  letter-spacing: 2px;
  text-decoration: none;
  text-transform: uppercase;
  color: #000;
  cursor: pointer;
  border: 3px solid;
  padding: 0.25em 0.5em;
  box-shadow:
    1px 1px 0 0,
    2px 2px 0 0,
    3px 3px 0 0,
    4px 4px 0 0,
    5px 5px 0 0;
  position: relative;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  background-color: white;
}

.button-54:active {
  box-shadow: none;
  top: 5px;
  left: 5px;
}

@media (min-width: 768px) {
  .button-54 {
    padding: 0.25em 0.75em;
  }
}

.close-button {
  position: absolute;
  top: 10px;
  right: 10px;
  text-decoration: none;
  color: #333;
  font-size: 20px;
  font-weight: bold;
  padding: 4px 8px;
  background: #fff;
  border: 2px solid #333;
  border-radius: 4px;
  transition: background 0.3s;
}

.close-button:hover {
  background: #f0f0f0;
}