body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.container {
  width: 90%;
  max-width: 500px;
  margin: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
}

header {
  background: #333;
  color: #fff;
  padding: 20px;
  min-height: 70px;
  border-bottom: 4px solid #f4f4f4;
  width: 100%;
}

header h1 {
  text-align: center;
}

p,
h1,
div,
label {
  margin: 10px 0;
}

button {
  background: #333;
  color: #fff;
  border: none;
  margin: 10px 0;
  height: 40px;
  width: 100%;
  border-radius: 5px;
  cursor: pointer;
}

select,
textarea,
input[type="text"],
input[type="email"],
input[type="number"] {
  width: 100%;
  padding: 10px;
  border-radius: 5px;
  margin: 10px 0;
  border: 1px solid #333;
  font-size: 16px;
}

footer {
  background: #333;
  color: #fff;
  /* position: absolute; */
  bottom: 0;
  width: 100%;
  text-align: center;
  padding: 10px;
}

@media (max-width: 600px) {
  .container {
    padding: 10px;
  }

  button {
    height: 35px;
  }

  select,
  textarea,
  input[type="text"],
  input[type="email"],
  input[type="number"] {
    font-size: 14px;
    padding: 8px;
  }
}