xtColor">Sign Up</button>
      <button onclick="click" id="Calender" class="button_nav txtColor1 hello">Calendar</button>
    </div>
  </div>
<!--Calender-->
  <div class="overlay1" id="overlay1">
    <div class="popup1">
      <div class="header">
        <button class="prevBtn" id="prevBtn">
            <i class="fa-solid fa-chevron-left"></i>
        </button>
        <div class="monthYear" id="monthYear"></div>
        <button class="nextBtn" id="nextBtn">
            <i class="fa-solid fa-chevron-righ