body {
    overflow-x: hidden;
}
.viewport {
    padding-left: 200px;
    -webkit-transition: all 0.5s ease;
    -moz-transition: all 0.5s ease;
    -o-transition: all 0.5s ease;
    transition: all 0.5s ease;
}
.sidebar-nav {
    z-index: 1000;
    position: fixed;
    left: 200px;
    width: 200px;
    height: 100%;
    margin-left: -200px;
    overflow-y: auto;
    background-color: #222;
    border-color: #080808;
    -webkit-transition: all 0.5s ease;
    -moz-transition: all 0.5s ease;
    -o-transition: all 0.5s ease;
    transition: all 0.5s ease;
}
.sidebar-nav header {
  background-color: #263238;
  font-size: 20px;
  line-height: 52px;
  text-align: center;
}
 .sidebar-nav header a {
     color: #fff;
    display: block;
    text-decoration: none;
  }
.sidebar-nav header a:hover {
    color: #fff;
 }
.sidebar-nav header a {
    color: #fff;
    display: block;
    text-decoration: none;
 }

.sidebar-nav header a:hover {
    color: #fff;
}

.sidebar-nav .nav {
}

.sidebar-nav .nav a {
    background: none;
    border-bottom: 1px solid #455A64;
    color: #CFD8DC;
    font-size: 14px;
    padding: 16px 24px;
}

.sidebar-nav .nav a:hover {
    background: none;
    color: #ECEFF1;
}

.sidebar-nav .nav a i {
  margin-right: 16px;
}

.content {
    width: 100%;
    position: relative;
    margin-right: 0;
}
.b-header {
    margin-left: 230px;
    box-shadow: none;
    border-color: #f6f6f6;
    height: 50px;
    background-color: #ffffff;
}