* {
  box-sizing: border-box;
  font-size: 20px;
  font-family: Georgia, "Times New Roman", Times, serif;
  font-weight: 900;
}

h1 {
  display: flex;
  justify-content: center;
  font-weight: 700;
  font-size: 32px;
  color: rgb(33, 111, 235);
  text-shadow: 1px 1px #000000;
}

#buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  width: 50%;
  margin: 100px auto;
}

button {
  color: black;
  background-color: #41e86e;
  border-radius: 15px;
  padding: 20px 10px;
  cursor: pointer;
  box-shadow: 0 9px #999;
}

button:hover {
  background-color: #75aaff;
}

button:active {
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}

.pop {
  width: 50%;
  background: rgb(19, 15, 15);
  border-radius: 10px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.1);
  text-align: center;
  color: white;
  padding: 10px 30px;
  visibility: hidden;
  transition: transform 0.5s;
  letter-spacing: 1px;
  line-height: 1.1;
}

.pop h2 {
  font-size: 32px;
  font-weight: 700;
}

.pop iframe {
  width: 90%;
  margin: auto;
  height: 300px;
  border: 3px solid rgb(255, 255, 255);
}

.pop ul {
  font-size: 20px;
  font-weight: 500;
  text-align: left;
}

input {
  color: black;
  margin: 10px;
  background-color: #41e86e;
  border-radius: 15px;
  padding: 20px 100px;
  cursor: pointer;
  box-shadow: 0 9px #999;
}

input:hover {
  background-color: #75eb95;
}

.pop button {
  padding: 10px 100px;
}

#openpop {
  visibility: visible;
  top: 50%;
  transform: translate(-50%, -50%) scale(1);
}

@media screen and (max-width: 1024px) {
  #buttons {
    grid-template-columns: 1fr;
    width: 80%;
  }
  .pop {
    width: 70%;
  }
}

@media screen and (max-width: 756px) {
  #buttons {
    grid-template-columns: 1fr;
    width: 90%;
    margin: 50px auto;
  }
  button {
    padding: 15px;
  }
  .pop {
    width: 95%;
    padding: 15px;
  }
}

@media screen and (max-width: 480px) {
  h1 {
    font-size: 24px;
  }
  #buttons {
    width: 100%;
    gap: 10px;
  }
  button {
    padding: 10px;
    font-size: 18px;
  }
  .pop {
    width: 100%;
    padding: 10px;
  }
  .pop h2 {
    font-size: 24px;
  }
  .pop iframe {
    height: 200px;
  }
  .pop ul {
    font-size: 16px;
  }
  input {
    padding: 15px 50px;
    font-size: 16px;
  }
}