.aside {
  min-width: 350px;
  width: 40%;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  background-color: #fafafa;
  font-family: Helvetica, Arial, sans-serif;
  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: #0078D7;
  padding: 15px 15px;
  border-bottom: 2px solid #0148A7;
  font-size: 1.2em;
  color: #fff;
}

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

.aside .aside-contents {
  padding: 0.5em;
  padding-bottom: 15px;
  overflow-y: auto;
  height: 90vh;
}
.aside-contents img{
    float: left;
    margin: 5px 0px 10px 0px;
    box-shadow: 0px 2px 22px 0px rgba(0,0,0,0.2);
}
.aside.in {
  width: 40%;
  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;
}

.i_help_btn{
    position: fixed;
    right: 0;
    padding: 10px 5px;
    top: 40%;
    background-color: #333333;
    color: #fff;
    font-weight: bold;
    font-size: 18px;
    border-radius: 5px 0 0 5px;
    cursor: pointer;
    text-align: center;
    transition: width 2s;
}
.i_help_btn span{
    display: block;
    writing-mode: vertical-rl;
    text-orientation: sideways;
}
.i_help_btn:hover{
    background-color: #0078D7;
    color: #fff;
}

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