vardumper/resources/css/backtrace.css

.__beautify-backtrace-container {
    all : unset;
    font-family: monospace;
    display: block;
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 5px;
    border: 1px solid #44475a;
    border-radius: 6px;
    background-color: #1e1f29;
}

.__beautify-backtrace-title {
    all : unset;
    font-family: monospace;
    display: block;
    margin-bottom: 5px;
    color: #29a2e0;
    padding: 5px;
    font-size: 12px;
}
.__beautify-backtrace-dumper {
    all : unset;
    display: block;
    box-sizing: border-box;
    background-color: #24292e;
    color: #f8f8f2;
    padding: 5px;
    border-radius: 5px;
    font-family: monospace;
    font-size: 11px;
    white-space: pre-wrap;
    overflow: auto;
    width: 100%;
    margin-bottom: 2px;
}