.start-screen,
      .score-container {
        top: 0;
        width: 100%;
        height: 100%;
        display: flex;

        flex-direction: column;
        align-items: center;
        justify-content: center;
      }
      button {
        border: none;
        outline: none;
        cursor: pointer;
      }
      #start-button,
      #restart {
        font-size: 1.3em;
        padding: 0.5em 1.8em;
        border-radius: 0.2em;
        background-color: #1b356c;
        color: white;
      }
      #restart {
        margin-top: 0.9em;
      }
      #display-container {
        background-color: #ffffff;
        padding: 3.1em 1.8em;
        width: 80%;
        max-width: 37.5em;
        margin: 0 auto;
        top: 50%;
        left: 50%;
        border-radius: 0.6em;
      }
      .header-queeze {
        margin-bottom: 1.8em;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-bottom: 0.6em;
        border-bottom: 0.1em solid #c0bfd2;
      }
      .timer-div {
        background-color: #e1f5fe;
        width: 7.5em;
        border-radius: 1.8em;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0.7em 1.8em;
      }
      .question {
        margin-bottom: 1.25em;
        font-weight: 600;
        font-size: 1.1em;
      }
      .option-div {
        font-size: 1.1em;
        width: 100%;
        padding: 1em;
        margin: 0.3em 0;
        text-align: left;
        outline: none;
        background: transparent;
        border: 1px solid #c0bfd2;
        border-radius: 0.3em;
      }
      .option-div:disabled {
        color: #000000;
        cursor: not-allowed;
      }
      #next-button {
        font-size: 1em;
        margin-top: 1.5em;
        background-color: #1b356c;
        color: #ffffff;
        padding: 0.7em 1.8em;
        border-radius: 0.3em;
        float: right;
      }
      .hide {
        display: none;
      }
      .incorrect {
        background-color: #ffdde0;
        color: #d32f2f;
        border-color: #d32f2f;
      }
      .correct {
        background-color: #e7f6d5;
        color: #689f38;
        border-color: #689f38;
      }
      #user-score {
        font-size: 1.5em;
        color: #1b356c;
      }
      .rigthAnswer {
        border: 1px solid #9d9d9d;
        margin: 0 auto;
        text-align: center;
        margin-top: 40px;
        border-radius: 10px;
      }
      .btnRigthAnswer {
        font-size: 1em;
        margin: 20px 0 20px 0;
        background-color: #6b6b6b;
        color: #ffffff;
        padding: 0.7em 1.8em;
        border-radius: 0.3em;
      }
      .btnRigthAnswer:hover {
        font-size: 1em;
        margin: 20px 0 20px 0;
        background-color: #1b356c;
        color: #ffffff;
        padding: 0.7em 1.8em;
        border-radius: 0.3em;
      }
      .rigthAnswerAria {
        margin: 20px 5px 5px 5px;
        text-align: justify;
        display: none;
      }