.add-page
    > section
        padding 20px

        > textarea
            box-sizing border-box
            width: 100%
            padding 10px
            min-height 200px
            border 1px solid #ddd

        > button
            margin-top: 10px
            font-size 14px
            box-sizing border-box
            padding: 0
            height: 30px
            width: 100%
            color #fff
            background-color: rgb(0, 159, 147)
            border 0