#font-size-menu
{
  position: fixed;
  bottom: 20px;
  left: 20px;
  font-family: sans-serif;
  z-index: 9999;
  transform: scale(1) !important;
  transform-origin: bottom left;
}
  
  #font-size-button
  {
    padding: 24px 30px;
    font-size: 20px;
    background: #000000;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    min-width: 80px;
  }
  
  #font-size-options
  {
    list-style: none;
    margin: 0;
    padding: 0;
    background: white;
    border: 1px solid #ccc;
    border-radius: 8px 8px 0 0;
    position: absolute;
    bottom: 100%;
    left: 0;
    right: auto;
    display: none; /* hidden by default */
    flex-direction: column;
    max-height: 250px; /* ~4 options x 40px each */
    overflow-y: auto;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    width: 100%;
  }
  
  #font-size-options.show
  {
    display: flex;
  }
  
  #font-size-button:hover
  {
    opacity: 0.8;
  }

  #font-size-options li
  {
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 40px;
  }
  
  #font-size-options li:hover
  {
    background-color: #f0f0f0;
  }
  
  .checkmark
  {
    color: rgb(0, 0, 0);
    font-weight: bold;
  }
  
  .hidden
  {
    display: none;
  }  

  html, body
  {
    overflow: auto;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
  }  

  #content-wrapper {
    min-width: 100vw;
    min-height: 100vh;
  }