<style>
    .kontaktformular {
      max-width: 500px;
      margin: auto;
      background: white;
      padding: 2em;
      border-radius: 8px;
      box-shadow: 0 0 10px rgba(0,0,0,0.1);
    }

    .kontaktformular label {
      display: block;
      margin-bottom: 0.5em;
      font-weight: bold;
    }

    .kontaktformular input[type="text"],
    .kontaktformular input[type="email"],
    .kontaktformular textarea {
      width: 100%;
      padding: 0.7em;
      margin-bottom: 1.2em;
      border: 1px solid #ccc;
      border-radius: 4px;
      font-size: 1em;
    }

    .kontaktformular textarea {
      resize: vertical;
      height: 120px;
    }

    .kontaktformular .checkbox-container {
      margin-bottom: 1em;
    }

    .kontaktformular input[type="checkbox"] {
      margin-right: 0.5em;
      vertical-align: middle;
    }

    .kontaktformular button {
      background-color: #4a7c59;
      color: white;
      border: none;
      padding: 0.75em 1.5em;
      font-size: 16px;
      border-radius: 4px;
      cursor: pointer;
      font-weight: 700;
    }

    </style>