focalboard/webapp/src/components/centerPanel.scss

.focalboard-body .CenterPanel {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;

    .octo-board {
        flex: 0 1 auto;

        display: flex;
        flex-direction: column;
    }
}


.focalboard-body .BoardComponent {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    overflow: auto;

    > * {
                
        padding: 0 80px;

        @media screen and (max-width: 768px) {
            padding: 0 40px;
        }

        &:first-child {
            padding-top: 24px;
            @media screen and (max-width: 768px) {
                padding: 0 8px;
            }
        }

        &:last-child {
            padding-bottom: 8px;
        }
    }

    > .top-head {
        position: sticky;
        top: 0;
        left: 0;
        background: rgb(var(--center-channel-bg-rgb));
        z-index: 100;
    }
}