.container {
    font-family: sans-serif;
    width: 480px;
    padding: 15px;
    margin: 0 auto;
    text-align: center;
}

.show {
    display: block;
}

    .accordion-menu {
        width: 100%;
        background: #f9f9f9;
        padding: 0;
    }

        .accordion-menu .accordion-item {
            list-style: none;
            border-bottom: 1px solid #e8e8e8;
            padding: 15px 15px 0 15px;
            cursor: pointer;
            transition: 0.3s;
        }

        .accordion-menu .accordion-item:hover {
            background-color: #ebebeb;
        }

            .accordion-menu .accordion-item:last-child {
                border-bottom: none;
                margin-bottom: 0;
            }

            .accordion-menu .accordion-item .accordion-item-img {
                margin: auto 10px auto 0;
                width: 30px;
                height: 30px;
            }

            .accordion-menu .accordion-item .accordion-item-title {
                display: block;
                margin: auto auto auto 0;
                font-size: 18px;
            }

            .accordion-menu .accordion-item .accordion-item-icon {
                width: 10px;
                display: block;
                margin: auto 0;
                padding: 5px 20px;
                font-size: 20px;
            }

            .accordion-menu .accordion-item .accordion-sub-menu {
                padding: 0;
                display: none;
                margin: 0 -15px;
            }

            .accordion-menu .accordion-item .accordion-item-content {
                padding-bottom: 15px;
                text-decoration: none;
                font-size: 15px;
                color: #6886c5;
                transition: 0.3s;
                font-weight: 400;
                display: flex;
            }

            .accordion-menu .accordion-item .accordion-sub-menu .accordion-sub-menu-item {
                text-align: left;
                display: block;
                border-top: .5px solid #d3d3d3;
                border-bottom: none;
                padding: 18px;
                background-color: #eaeaea;
            }

                .accordion-menu .accordion-item .accordion-sub-menu .accordion-sub-menu-item:only-child {
                    -webkit-box-shadow: inset 0px 5px 8px -5px rgba(0,0,0,0.5), inset 0px -5px 6px -5px rgba(0,0,0,0.5) !important;
                    -moz-box-shadow: inset 0px 5px 8px -5px rgba(0,0,0,0.5), inset 0px -5px 6px -5px rgba(0,0,0,0.5) !important;
                    box-shadow: inset 0px 5px 8px -5px rgba(0,0,0,0.5), inset 0px -5px 6px -5px rgba(0,0,0,0.5) !important;
                }

                .accordion-menu .accordion-item .accordion-sub-menu .accordion-sub-menu-item:first-child {
                    -webkit-box-shadow: inset 0px 5px 7px -5px rgba(0,0,0,0.5);
                    -moz-box-shadow: inset 0px 5px 7px -5px rgba(0,0,0,0.5);
                    box-shadow: inset 0px 5px 7px -5px rgba(0,0,0,0.5);
                    border-top: none;
                }

                .accordion-menu .accordion-item .accordion-sub-menu .accordion-sub-menu-item:last-child {
                    -webkit-box-shadow: inset 0px -5px 7px -5px rgba(0,0,0,0.5);
                    -moz-box-shadow: inset 0px -5px 7px -5px rgba(0,0,0,0.5);
                    box-shadow: inset 0px -5px 7px -5px rgba(0,0,0,0.5);
                }

                .accordion-menu .accordion-item .accordion-sub-menu .accordion-sub-menu-item a {
                    font-size: 16px;
                }