.battery {
            width: 50px;
            height: 100px;
            border: 2px solid #000;
            position: relative;
            overflow: hidden;
        }
        .battery__liquid {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            background-color: #4CAF50;
            transition: height 0.3s;
        }
        .battery__status {
            font-size: 14px;
        }
        .gradient-color-red {
            background: linear-gradient(#FF6347, #D32F2F);
        }
        .gradient-color-orange {
            background: linear-gradient(#FFA500, #FF9800);
        }
        .gradient-color-yellow {
            background: linear-gradient(#FFEB3B, #FFC107);
        }
        .gradient-color-green {
            background: linear-gradient(#4CAF50, #1B5E20);
        }