uBlock/src/css/advanced-settings.css

html {
    height: 100vh;
    overflow: hidden;
    width: 100vw;
    }
body {
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: stretch;
    overflow: hidden;
    width: 100%;
    }
.body {
    flex-shrink: 0;
    }
.codeMirrorContainer {
    flex-grow: 1;
    }
#advancedSettings {
    border: var(--default-gap-xxsmall) solid var(--surface-2);
    text-align: left;
    }
.CodeMirror-wrap pre {
    word-break: break-all;
    }