#mdEditorPreview {
	position: absolute;	
	top: 35px;
	left: 0;
	right: 0;
	bottom: 0;
}

#left-column, #right-column
{
	height: 100%;
}
#left-column {
	width: 60%;
}
#right-column {
	width: 40%;
}

#right-column {
	overflow: hidden;
}

.wmd-panel-editor, .preview-container, #wmd-input {
	height: 100%;
}

.wmd-panel-editor, .wmd-panel-preview {
}

.wmd-input, .wmd-input:focus, #md-section-helper /* helper必须在这里 */
{
	width: 100%;
	border: 1px #eee solid;
	border-radius: 5px;
	outline: none;
    font-size: 14px;
    resize: none;
    overflow-x: hidden;
}

/* 不能为display: none */
#md-section-helper {
	position: absolute;
    height: 0;
    overflow-y: scroll;
    padding: 0 6px;
    top:10px; /*一条横线....*/
    z-index: -1;
    opacity: none;
}

#right-column {
	border: 1px dashed #BBBBBB;
    border-radius: 5px;
    padding-left: 5px;
}
.preview-container {
    overflow: auto;
    
}

.wmd-preview { 
	width: 100%;
    font-size: 14px;
    overflow: auto;
    overflow-x: hidden;
}

.wmd-button-row, .preview-button-row
{
	padding: 0px;  
	height: auto;
	margin: 0;
}

.wmd-spacer
{
	width: 0px; 
	height: 20px; 
	margin-left: 10px;

	background-color: Silver;
	display: inline-block; 
	list-style: none;
}

.wmd-button, .preview-button {
    width: 20px;
    height: 20px;
    display: inline-block;
    list-style: none;
    cursor: pointer;
    font-size: 17px;
}

.wmd-button {
    margin-left: 10px;
}

.preview-button {
    margin-right: 10px;
}

.wmd-button > span, .preview-button > span {
    width: 20px;
    height: 20px;
    display: inline-block;
}