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Very simple request - Need help changing the size of a div box

I use It has a trading interface with two windows on the right side. See

I would like to create a stylish script that will permanently make the top window (the one above "Trade History" 600 pixels talls instead of 300 pixels talls.

Been using stylish for a long time but I remain a complete noob at html/css so if someone can help me with this I would appreciate it. Thank you.


  • @-moz-document domain("") {
    .fmPusl > div:first-child {
    min-height: 684px!important;

    .fmPusl > div:first-child .ReactVirtualized__Table__Grid {
    height: 600px!important;
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