| 123456789101112131415161718192021222324252627282930313233343536373839404142 | $tui-window-margin: 10px$tui-window-background: gray.tui-window    width: calc(60% - $tui-window-margin * 2)    height: calc(60% - $tui-window-margin * 2)    position: absolute    top: 20%    left: 20%    border: black double 5px    &::before         content: ' ';        position: absolute        top: -$tui-window-margin        left: -$tui-window-margin        width: calc(100% + $tui-window-margin * 2);        height: calc(100% + $tui-window-margin * 2);        background-color: $tui-window-background        z-index: -1        .header        position: absolute        top: -$tui-window-margin        width: 90%        left: 5%        display: flex        flex-direction: row        justify-content: space-between        .buttons            background-color: $tui-window-background            display: flex            flex-direction: row        p             margin: 0px            padding: 0px            padding-left: 5px            padding-right: 5px            display: block            background-color: $tui-window-background
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