.comment_box {
    margin: 25px 0;
    border-bottom: 1px solid #ccc;
}

.comment_box.answer {
    margin-left: 25px;
}

.comment_box span {
    display: block;
    padding: .25em 0;
}

.author {
    font-weight: bold;
    font-size: 1.2em;
}

.timestamp {
    font-style: italic;
    font-size: .8em;
}

.comment_add_btn, .comment_reply_btn {
    width: auto;
    height: 30px;
    line-height: 30px;
    display: block;
    margin: 15px 0;
    border: 1px solid #ccc;
    cursor: pointer;
    text-align: center;
}

.comment_reply {
    margin-left: 25px;
}

.form {
    display: none;
}