html {
    font-family: "Helvetica",Dotum,Arial,Verdana,sans-serif;
    font-size: 11px;
}
body {
    background-color: #fff;
}
button {
    outline: none;
}
button .sidebar-btn {
    color: #fff;
    font-weight: bold;
}
.sidebar {

    width: 250px;
    height: 100%;
    position: fixed;
    top: 0;
    left: 70px;
    z-index: 9999;
}
.sidebar > .sidebar-content {
	position: absolute;
    top: 0px;
    left: 70px;
    color: #fff;
}
.sidebar button {
    background-color: #222;
    display: block;
    position: absolute;
    top: 1307px;
    left: 250px;
    width: 70px;
    height: 38px;
    line-height: 38px;
    text-align: center;
    margin: 0;
    padding: 0;
    border: none;
}