body {
    display: flex;
    margin: 0;
    padding: 0;
}
#sidebar {
    width: 200px;
    min-height: 100vh;
}
#content {
    flex: 1;
}
.result-item {
    padding: 4px 0;
    border-bottom: 1px solid #eee;
}
.loading:after {
    content: 'Loading...';
    display: block;
    padding: 10px;
}
.voice-btn {
    margin-left: 5px;
}

.feature-box { min-height: 160px; }