.fixed-button {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background-color: #007bff;
            color: white;
            border: none;
            border-radius: 10px;
            width: 200px;
            height: auto;
            padding: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 1000;
            text-align: center;
        }

        .fixed-button.round {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            padding: 0;
        }

        .fixed-button.expanded {
            width: 250px;
            height: auto;
            border-radius: 10px;
            padding: 20px;
        }

        .fixed-button .icon {
            display: none;
        }

        .fixed-button .content {
            display: none;
        }

        .fixed-button.expanded .content {
            display: block;
        }

        .fixed-button.round .icon {
            display: block;
        }

        .fixed-button.round .call-text {
            display: none;
        }

        .fixed-button.expanded .call-text {
            display: none;
        }