.gradient-text {
    color: #0366d6;
    cursor: pointer;
  }

  form {
    margin-bottom: 20px;
  }
  
  label {
    font-weight: bold;
  }
  
  input, button {
    margin-top: 5px;
  }
  
  .hidden {
    display: none;
  }

  .btn-start {
    background-color: green;
  }

  .btn-stop {
    background-color: red;
  }

  .frame {
    flex: 0 0 calc(33.33% - 20px);
    margin-bottom: 20px;
    margin-right: 20px;
    max-width: 400px;
    display: inline-block;
    width: 500px;
    height: auto;
    background-color: transparent;
    color: white;
    border: 2px solid #f8fcfd;
    border-radius: 5px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.5);
  }

  .options {
    display: flex;
    flex-direction: column;
  }

  .option {
    margin-bottom: 10px;
  }

  .calculator {
    width: 200px;
    border: 1px solid #ccc;
    padding: 10px;
  }

  .calculator input[type="text"] {
    width: 100%;
    margin-bottom: 10px;
  }

  .calculator .row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
  }

  .calculator button {
    width: 23%;
    padding: 5px;
  }