button.accordion {
            background-color: #217ec1;
            color: #fff;
            cursor: pointer;
            padding: 18px;
            width: 100%;
            border: none;
            text-align: left;
            outline: none;
            font-size: 15px;
            transition: 0.4s;
        }

            button.accordion.active, button.accordion:hover {
                background-color: #E3535D;
            }

        div.panel {
            padding: 0 18px;
            background-color: white;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.2s ease-out;
        }