body {
          font-family: Arial, sans-serif;
          margin: 0;
          padding: 20px;
          background-color: #373838;
        }

        .container {
          text-align: center;
          max-width: 500px;
          margin: 0 auto;
          padding: 20px;
          background-color: #ffffff;
          border-radius: 5px;
          box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        h1 {
          text-align: center;
          color: #3cfa6b;
          margin-bottom: 20px;
        }

        label {
          display: block;
          font-weight: bold;
          margin-bottom: 10px;
          color: #333333;
          text-align: left;
        }

        input[type="text"] {
          width: 80px;
          height: 20px;
          background-color: #c8ffc8;
          margin-bottom: 10px;
          padding: 5px;
          font-size: 16px;
          text-align:right;
          border: 2px solid #aaa9ec;
          border-radius: 1px;
        }
      
        .slider-track {
          width: 100%;
          height: 8px;
          margin-bottom: 10px;
          background-color: #f1f1f1;
          border-radius: 3px;
          position: relative;
        }

        .slider-progress {
          position: absolute;
          height: 100%;
          background-color: #04AA6D;
          width: 0;
          border-radius: 3px;
          transition: width 0.3s;
        }

        #investmentTrack {
          width: 500px;
        }

        #returnRateTrack {
          width: 500px;
        }

        #timePeriodTrack {
          width: 500px;
        }

        button {
          margin-top: 20px;
          padding: 10px 20px;
          font-size: 16px;
          font-family: sans-serif;
          color: #ffffff;
          background-color: #6c5df1;
          border-radius: 3px;
          border-style: none;
          cursor: pointer;
          transition: background-color 0.3s;
        }

        button:hover {
          background-color: #4900f5;
        }

        #result-container {
          text-align: left;
          margin-top: 20px;
          padding: 10px;
          border: 1px solid #cccccc;
          border-radius: 3px;
          background-color: #f1f1f1;
        }

        #result-container p {
          margin: 5px 0;
          text-align: center;
          width: auto;
        }