body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  display: flex;
  flex-direction: column;
}

.wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.content {
  flex: 1;
}

header {
  background-color: #333;
  color: #fff;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-left {
  display: flex;
  align-items: center;
}

header img.logo {
  margin-right: 20px;
  width: 70px;
}

header nav {
  margin-left: 20px;
}


nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: inline-block;
}

nav li {
  display: inline-block;
  margin: 0 10px;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  font-size: 20px;
}

main {
  padding: 20px;
}

form {
  margin-top: 20px;
  text-align: center;
  font-size: 20px;
}

form label {
  font-size: 27px;
}

form input {
  width: 50%;
  height: 25px;
}

form button {
  margin-top: 10px;
  padding: 10px 20px;
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

#downloadBtn button {
  margin-top: 10px;
  padding: 10px 20px;
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

#h1sp {
  text-align: center;
  margin-top: 50px;
}

#loading {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#loadingContent {
  margin-bottom: 10px;
}

#progressBar {
  background-color: lightgray;
  border: 1px gray solid;
  border-radius: 5px;
}

#progressBar::-webkit-progress-value {
  background-color: #d9534f;
}

#progressBar::-moz-progress-bar {
  background-color: #d9534f;
}

footer {
  background-color: #333;
  color: white;
  padding: 10px 0;
  text-align: center;
}