.aside {
  min-width: 350px;
  width: 15%;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  background-color: #fafafa;
  font-family: Helvetica, Arial, sans-serif;
  border-right: 1px solid #333;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
  z-index: 2000;
  width: 0px;
  min-width: 0px;
  overflow: hidden;
  transition: 0.35s width ease, 0.35s min-width ease;
}

.aside .aside-header {
  background-color: #3498DB;
  padding: 1em;
  padding-left: 0.5em;
  border-bottom: 3px solid #2980B9;
  font-size: 1.2em;
  color: #fff;
}

.aside .aside-header .close {
  float: right;
  cursor: pointer;
}

.aside .aside-contents {
  padding: 0.5em;
  padding-bottom: 1em;
}

.aside.in {
  width: 15%;
  min-width: 350px;
}

.aside-backdrop {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1040;
  background-color: #000;
  transition: 0.2s opacity ease;
  opacity: 0;
  display: none;
}

.aside-backdrop.in {
  display: block;
  opacity: 0.5;
}

body { background: #EEE; font-family:'Roboto'; }