:root {
  --theme: #16679a;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    background-color: #111111;
  }
  
  header {
    display: flex;
    justify-content: space-between;
    border-radius: 15px;
    width: calc(100% - 40px);
    margin-top: 7px;
    margin-bottom: 7px;
  }
  
  button {
    padding: 5px 10px;
    border: none;
    cursor: pointer;
    border-radius: 8px;
    background-color: #1c1c1c;
    color: #f1f1f1;
    transition: background-color 0.5s ease, color 0.25s ease;
  }

  button:hover {
    background-color: var(--theme);
    color: #f1f1f1;
    transition: background-color 0.5s ease, color 0.25s ease;
  }
  
  .active-button {
    background-color: var(--theme);
    color: #f1f1f1;
  }
  
  button:active {
    background-color: #333;
  }
  
  .left-buttons, .right-buttons {
    display: flex;
    background-color: #1c1c1c;
    border-radius: 15px;
  }
  
  .left-controls, .right-controls {
    background-color: #1c1c1c;
    border-radius: 15px;
  }

  .left-controls {
    position: fixed;
  }

  .input-container {
    background-color: #1c1c1c;
    border-radius: 15px;
    padding: 6px;
    padding-left: 8px;
  }

  .bottom-controls {
    position: fixed;
    bottom: 7px;
    left: 50%;
    transform: translateX(-50%);
    color: #f1f1f1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0px;
  }

  .centre-button {
    padding: 7px;
    height: 34px;
    width: 34px;
    border-radius: 15px;
  }

  #page-down-button,
  #page-up-button {
    padding-top: 5px;
    padding-left: 6px;
  }

  #page-up-button {
    padding-left: 8px;
  }

  .left-controls, .right-controls {
    background-color: #1c1c1c;
  }

  .right-controls button {
    width: 34px;
    height: 34px;
  }

  .left-buttons button:not(.active-button):hover,
  .left-controls button:not(.active-button):hover {
    background-color: #1c1c1c;
  }

  input {
    height: 20px;
    width: 30px;
    border-radius: 15px;
    background-color: #424242;
    color: #f1f1f1;
    box-shadow: none;
    border:none;
    shape-outside: none;
    text-align: center;
  }

  input[type="number"]:hover,
  input[type="number"]:focus {
      background-color: var(--theme);
      transition: background-color 0.5s ease, color 0.25s ease;
      border: none;
  }
  
  .right-controls-container {
    display: flex;
    flex-direction: row;
    position: absolute;
    right: 10px;
    bottom: 7px;
  }

  .two-buttons {
    display: flex;
    flex-direction: row;
    background-color: #1c1c1c;
    border-radius: 15px;
    padding-left: 0px;
    padding-right: 0px;
  }

  input::-webkit-outer-spin-button,
  input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }
  
  input[type=number] {
    appearance: textfield;
    -moz-appearance: textfield;
  }

  #chapter-button,
  #comments-button {
    padding-left: 8px;
    padding-top: 7px;
    padding-bottom: 10px;
  }

  #fullscreen-button {
    padding-bottom: 15px;
    padding-top: 5px;
  }

  .left-controls {
    padding-left: 0px;
    left: 10px;
    bottom: 7px;
    flex-direction: row; /* Change to row */
    margin-left: 10px;
    background-color: #1c1c1c;
    display: flex; /* Added display: flex; */
}

  .left-controls button,
  .left-buttons button,
  .right-controls button {
    padding: 9.5px;
    border-radius: 15px;
  }
  
  label {
    font-size: 14px;
  }

  .right-controls {
    right: 20px;
    margin-right: 15px;
    bottom: 7px;
    flex-direction: column;
  }

  .right-controls button,
  .right-buttons button {
    border-radius: 15px;
    padding-left: 13px;
    padding-right: 13px;
  }

  .imagecontainer {
    max-width: 48.5vw;
    height: auto;
    overflow-y: scroll;
    flex: 1;
    margin: 0 auto;
    margin-top: 0px;
    max-height: calc(100vh - 98px);
    user-select: none;
  }
  
  .imagecontainer img {
    width: 100%;
    height: auto;
    user-select: none;
  }

  #image2 {
    margin-left: -1.5vw;
  }

  .backgrounddiv {
    width: 100%;
    height: calc(100vh - 98px);
    background-color: #1c1c1c;
    border-radius: 25px;
    display: flex;
  }

  .button-container {
    margin: 0 0px;
  }
  
  #comments-button,
  #page-down-button {
    margin-right: 5px;
  }

  .input-container {
    margin: 0 5px;
  }

  .download-button {
    margin-left: 48px;
  }

  .chapters {
    margin-right: 35px;
    width: 200px;
    background-color: #1c1c1c;
    border-radius: 15px;
    color: #f1f1f1;
    text-align: center;
    border: none;
    padding-left: 10px;
    padding-right: 10px;
  }

  ::-webkit-scrollbar {
    width: 10px; /* Width of the scrollbar */
}

::-webkit-scrollbar-track {
    background: #333; /* Background color of the scrollbar track */
}

::-webkit-scrollbar-thumb {
    background: #666; /* Color of the scrollbar thumb */
}