wtf/docs/scss/flex/menu.scss

article>aside {
    background-color: #f9f9f9;
    bottom: 0;
    box-sizing: border-box;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    left: 0;
    padding: 2rem 0rem 1rem 0rem;
    position: fixed;
    top: 3.5rem;
    width: 20rem;
    overflow-y: auto;

    .menu {
        line-height: 2rem;
        list-style-type: none;

        >label {
            display: block; // margin-top: 1rem;
            font-family: 'Novacento Sans Wide', 'Helvetica', 'Tahoma', 'Geneva', 'Arial', sans-serif;
            font-weight: 100;
            font-size: 130%;
            margin-left: 1rem;
        }

        ul {
            display: none;
        } // first menu level
        >.dd-item {
            margin: 0.5rem 0px 0.5rem 20px;
        } // menu items
        .dd-item {
            padding-left: 1rem;
            list-style: none;
            font-size: 13px;

            &.alwaysopen>ul {
                display: block
            }


            &.parent>ul {
                display: block
            }

            &.active {

                >ul {
                    display: block;
                }

                >div {
                    background-color: #eee;
                    * {
                        font-weight: bold;
                        border-bottom: dotted 1px red;
                    }
                }
            }

            &.haschildren>div {
                margin-left: -20px;
            }

            div {
                display: flex;
                flex-direction: row;
                
                * {
                    line-height: inherit;
                }


                i.read-icon {
                    display: none;
                }

                i.category-icon {
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    order: 1;
                    width: 20px;
                    cursor: pointer;
                }

                a {
                    display: flex;
                    flex: 1;
                    order: 2;
                    padding: 0 0rem;
                    text-decoration: none;

                    &:hover,
                    &:focus,
                    &:active {
                        background-color: #eee;
                        border-radius: .2rem;
                        padding: 0 0rem;
                    }
                }

                i.category-icon:active,
                i.category-icon:focus,
                i.category-icon:hover {
                    background-color: #eee;
                    border-radius: .2rem;
                    padding: 0 0rem;
                }
            }

            li {
                border-left: 1px solid #eee;
            }
        }
    }

    section {
        margin: 2rem 0rem;
    }
}