.transparency-grid {
    background-color: #ffffff;
    background-image: linear-gradient(45deg, #e2e8f0 25%, transparent 25%),
                      linear-gradient(-45deg, #e2e8f0 25%, transparent 25%),
                      linear-gradient(45deg, transparent 75%, #e2e8f0 75%),
                      linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}
.preview-img-box {
    height: 350px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.preview-img-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.options-group {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}
 
#remove-threshold.form-range {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
    cursor: pointer;
}
#remove-threshold.form-range::-webkit-slider-runnable-track {
    width: 100%;
    height: 6px;
    background: #cbd5e1;
    border-radius: 999px;
}
#remove-threshold.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: #3b82f6;
    margin-top: -6px;
    cursor: pointer;
}
#remove-threshold.form-range::-moz-range-track {
    width: 100%;
    height: 6px;
    background: #cbd5e1;
    border-radius: 999px;
}
#remove-threshold.form-range::-moz-range-thumb {
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: #3b82f6;
    border: none;
    cursor: pointer;
}