.list-group-item.container {
    display: flex;
    align-items: center; /* 垂直居中对齐 */
}

.timestamp {
    color: #7f7f7f;
    padding: 0.5rem;
}

.random-result {
    padding: 0.5rem;
    margin-bottom: 0;
    font-size: 1.5rem;
}