styles.css

.marklar-wrapper {
    padding: 4px;
    background-color: #f2f2f2;
    border: 1px solid #bbb;
}

.marklar-panel .btn + .btn {
    margin-left: 0.25rem;
}

.marklar-panel::after {
    content: " ";
    display: block;
    height: 0;
    clear: both;
}

.marklar-wrapper [data-marklar-widget] {
    margin-bottom: 10px;
}

.marklar-preview {
    background-color: white;
    margin: 0 0 10px;
    border: 1px solid #ccc;
    padding: 7px;
    border-radius: 4px;
    overflow: auto;
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
}

.marklar-preview-controls {
    float: right;
}

.marklar-preview .marklar-preview-loading {
    display: inline-block;
    padding: 5px;
    color: #ccc;
}

.marklar-syntax-controls {
    display: inline-block;
}

.marklar-syntax-help {
    padding: 4px 10px;
    font-size: 80%;
    background-color: #f9f9f9;
    border: 1px solid #ccc;
    border-radius: 4px 4px 4px 4px;
    -moz-border-radius: 4px 4px 4px 4px;
    -webkit-border-radius: 4px 4px 4px 4px;
}

.marklar-syntax-help dd code {
    line-height: 23px;
}