html, body {
    margin: 0;
    padding: 0;
}

html, body, div, p, a, code, pre, span {
    font-family: 'Roboto', 'Noto', 'Noto Sans KR', sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

ul {
    padding: 6px 16px;
}

a,
a:active,
a:visited {
    text-decoration: none;
    color: #0097A7;
}

code {
    background: rgba(160, 160, 160, 0.075);
    border-radius: 5px;
    font-size: 0.9em;
    font-weight: bold;
    padding: 0 0.55em;
    color: #0097A7;
}

pre {
    padding: 15px;
    overflow-x: auto;
    background: rgba(160, 160, 160, 0.075);
}

pre code {
    border-radius: 0;
    color: #777;
    padding: 0;
    background: rgba(160, 160, 160, 0.025);
}

pre span {
    margin: 0 2px;
}

.sidebar {
    z-index: 1000;
    position: absolute;
    top: 0;
    left: 0;
    width: 256px;
    height: 100%;
    background: #f5f5f5;
    overflow-y: auto;
    list-style-type: none;
}

.sidebar li {
    list-style-type: none;
}

.sidebar .step-item a {
    display: block;
    height: 100%;
    padding: 20px 16px;
    color: #9e9e9e;
    border-radius: 4px;
}

.sidebar .step-item a p {
    margin-top: 0;
    margin-bottom: 0;
}

.sidebar .step-item a .item-weight {
    display: inline-block;
    float: left;
    width: 22px;
    padding: 2px;
    border: 2px solid;
    border-color: #bdbdbd;
    border-radius: 34px;
    background: #fff;
    text-align: center;
}

.sidebar .step-item a .item-title {
    margin-left: 45px;
}

.sidebar .step-item-passed a,
.sidebar .step-item-active a {
    color: #212121;
}

.sidebar .step-item-passed a .item-weight,
.sidebar .step-item-active a .item-weight {
    border-color: #2196f3;
}

.sidebar .step-item-active a {
    font-weight: bold;
    background: #e0e0e0;
}

.preview {
    position: absolute;
    height: 100%;
    top: 0;
    left: 256px;
    right: 0;
    background: #e0e0e0;
    overflow-y: auto;
}

.preview .preview-title {
    position: fixed;
    top: 0;
    left: 256px;
    right: 0;
    height: 60px;
    color: #ffffff;
    background: #1e88e5;
}

.preview .preview-title a {
    padding: 6px 10px;
    border-radius: 7px;
    background: #fff;
    color: #1e88e5;
}

.preview .preview-title > div {
    height: 60px;
    line-height: 60px;
    padding: 0 30px;
}

.preview .preview-title .title-left {
    float: left;
}

.preview .preview-title .title-right {
    float: right;
}

.preview .preview-content {
    max-width: 800px;
    margin: 100px auto 40px;
    padding: 30px;
    background: #ffffff;
    box-shadow: 1px 1px 16px #ccc
}

.preview .preview-content .content-title {
    font-weight: 500;
    font-size: 24px;
}