body {
  margin: 0;
  font-family: Arial;
  background-color: #ff6600;
  background-image: url(../Bilder/DonReuth-Logo.png);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: fixed;
}

img {
  width: 100%;
  height: auto;
}

nav {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: visible;
  background-color: #333;
  position: sticky;
  top: 0;
  z-index: 100;
}

input[required] {
  border-color: black;
}

input {
  background-color: rgb(255, 234, 196);
}

input[type="text"] {
  border: 2px solid #ccc;
  border-radius: 5px;
  padding: 10px;
  font-size: 16px;
  width: 100%;
  box-sizing: border-box;
}

input[type="password"] {
  border: 2px solid #ccc;
  border-radius: 5px;
  padding: 10px;
  font-size: 16px;
  width: 100%;
  box-sizing: border-box;
}

.topnav {
  overflow: hidden;
  background-color: #333;
  margin-top: -5px;
}

.topnav a {
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav-r {
  float: right;
}

.active {
  background-color: #ff0000;
  color: white;
}

.topnav .icon {
  display: none;
}

.dropdown {
  float: left;
  overflow: hidden;
}

.dropdown .dropbtn {
  font-size: 17px;
  border: none;
  outline: none;
  color: white;
  padding: 14px 16px;
  background-color: inherit;
  font-family: inherit;
  margin: 0;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #515151;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.dropdown-content a {
  float: none;
  color: rgb(255, 255, 255);
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}

.topnav a:hover,
.dropdown:hover .dropbtn {
  background-color: #555;
  color: white;
}

.dropdown-content a:hover {
  background-color: #ddd;
  color: black;
}

.dropdown:hover .dropdown-content {
  display: block;
}

input[type="submit"] {
  background-color: orange;
  border: none;
  color: rgb(0, 0, 0);
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
  display: flex;
  justify-content: center;
}

.button {
  background-color: orange;
  border: none;
  color: black;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
}

.container {
  max-width: 400px;
  margin: 50px auto;
  padding: 20px;
}

.inner-box {
  background: white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

input[type="text"],
input[type="password"] {
    padding: 15px;
    margin: 10px 0;
    border: 1px solid #000000;
    border-radius: 5px;
    font-size: 16px;
}

input[type="submit"],
.button {
    padding: 15px;
    margin: 20px 0;
    border: none;
    border-radius: 5px;
    background-color: orange;
    color: rgb(0, 0, 0);
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    text-align: center;
    text-decoration: none;
}

input[type="submit"]:hover,
.button:hover {
    background-color: orange;
    transform: translateY(-2px);
}

form {
  display: flex;
  flex-direction: column;
}

.error-message {
  color: red;
  text-align: center;
  font-weight: bold;
}

.success-message {
  color: green;
  font-weight: bold;
  margin: 10px 0;
  font-weight: bold;
}

* {
  box-sizing: border-box;
}

.form {
  border: 3px solid #000000;
  font-family: Arial;
}

@media screen and (max-width: 681px) {
  .topnav-r {
    float: left;
  }

  .topnav a:not(:first-child),
  .dropdown .dropbtn {
    display: none;
  }

  .topnav a.icon {
    float: right;
    display: block;
  }

  .topnav.responsive {
    position: relative;
  }

  .topnav.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }

  .topnav.responsive a {
    float: none;
    display: block;
    text-align: left;
  }

  .topnav.responsive .dropdown {
    float: none;
  }

  .topnav.responsive .dropdown-content {
    position: relative;
  }

  .topnav.responsive .dropdown .dropbtn {
    display: block;
    width: 100%;
    text-align: left;
  }
}