BookStack/resources/assets/sass/_comments.scss

.comments-list {
    .comment-box {
        border-bottom: 1px solid $comment-border;
    }

    .comment-box:last-child {
        border-bottom: 0px;
    }
}
.page-comment {
    .comment-container {
        margin-left: 42px;
    }

    .comment-actions {
        font-size: 0.8em;
        padding-bottom: 2px;

        ul {
            padding-left: 0px;
            margin-bottom: 2px;
        }
        li {
            float: left;
            list-style-type: none;
        }

        li:after {
            content: '•';
            color: #707070;
            padding: 0 5px;
            font-size: 1em;
        }

        li:last-child:after {
            content: none;
        }
    }

    .comment-actions {
        border-bottom: 1px solid #DDD;
    }

    .comment-actions:last-child {
        border-bottom: 0px;
    }

    .comment-header {
        font-size: 1.25em;
        margin-top: 0.6em;
    }

    .comment-body p {
        margin-bottom: 1em;
    }

    .comment-inactive {
        font-style: italic;
        font-size: 0.85em;
        padding-top: 5px;
    }

    .user-image {
        float: left;
        margin-right: 10px;
        width: 32px;
        img {
            width: 100%;
        }
    }
}

.comment-editor {
    margin-top: 2em;

    textarea {
        display: block;
        width: 100%;
        max-width: 100%;
        min-height: 120px;
    }
}