admin.css

body {
  background: #eee;
}

#side_nav {
  background: #333333;
  min-width: 250px;
  max-width: 250px;
  transition: all 0.3s;
}
.content {
  min-height: 100vh;
  width: 100%;
}
hr.h-color {
  background: #eee;
}

.sidebar li.active a,
.sidebar li.active a:hover {
  color: #fff;
}
.sidebar li a {
  color: #fff;
}

@media (max-width: 767px) {
  #side_nav {
    margin-left: -250px;
    position: absolute;
    min-height: 100vh;
    z-index: 1;
  }
  #side_nav.active {
    margin-left: 0;
  }
}