html, body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #ffffff;
  }

  #backgroundContainer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
  }
  
  #backgroundImage, #backgroundVideo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
  }

  .styled-slider {
    width: 140px;
    background: #ffffff;
    border: 1px solid #a8a8a8;
    height: 12px;
    outline: none;
    opacity: 0.7;
    border-radius: 30px;
    transition: opacity .15s ease-in-out;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
  }

  .styled-slider:hover {
    opacity: 0.5;
  }

  .label {
    font-size: 10px;
    color: #000;
    flex-shrink: 0;
    width: 60px;
  }

  .styled-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 10px;
    height: 10px;
    background: #000000;
    cursor: pointer;
    border-radius: 25px;
    border: 1px solid #000;
  }

  .controls {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background-color: rgba(234, 234, 234, 0.818);
    padding: 10px;
    border-radius: 8px;
    width: 200px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
  }

  .control-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1px;
  }

  .button {
    display: block;
    padding: 5px 10px;
    background: #000000;
    color: white;
    border: none;
    border-radius: 35px;
    cursor: pointer;
    font-size: 10px;
  }

  .button:hover {
    background: hsl(235, 100%, 50%);
  }

  .styled-checkbox {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
  }

  .styled-checkbox-label {
    display: flex;
    align-items: center;
    font-size: 10px;
    position: relative;
    padding-left: 30px;
    cursor: pointer;
    user-select: none;
    margin-bottom: 10px;
  }

  .styled-checkbox-label .checkmark {
    position: absolute;
    top: 0px;
    left: 0px;
    height: 15px;
    width: 15px;
    background-color: #eee;
    border-radius: 3px;
    border: 1px solid #000;
  }

  .styled-checkbox-label input:checked ~ .checkmark {
    background-color: #59ff00;
    border-color: #000000;
  }

  .styled-checkbox-label .checkmark:after {
    content: "";
    position: absolute;
    display: none;
  }

  .styled-checkbox-label input:checked ~ .checkmark:after {
    display: block;
  }

  .styled-checkbox-label .checkmark:after {
    left: 3px;
    top: 0px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
  }

  .checkboxes {
    display: block;
    flex-direction: column;
  }

  .file-input {
    background: none;
    border: none;
    color: #000;
    font-size: 10px;
    cursor: pointer;
    outline: none;
  }

  .styled-input {
    width: 100%;
    padding: 5px;
    border: 1px solid #000;
    border-radius: 3px;
    font-size: 10px;
  }

  #colorPicker {
    width: 150px;
  }

  .controls-title {
    font-size: 14px;
    font-weight: bold;
    text-align: left;
    margin-bottom: 0px;
    position: relative;
    top: 0px;
    left: 0px;
  }

  #toggleControls {
    position: absolute;
    top: 10px;
    left: 230px;
  }

  .remark {
    font-size: 10px;
    color: #000000;
    margin-top: 10px;
    text-align: left;
  }

  .custom-file-upload {
display: inline-block;
position: relative;
overflow: hidden;
}

.custom-file-label {
display: inline-block;
padding: 5px 10px;
background: #000000;
color: white;
border: none;
border-radius: 35px;
cursor: pointer;
font-size: 10px;
}

.custom-file-label:hover {
background: hsl(235, 100%, 50%);
}

.custom-file-upload input[type="file"] {
position: absolute;
left: 0;
top: 0;
opacity: 0;
width: 100%;
height: 100%;
cursor: pointer;
}