.side-popup {
  position: fixed;
  top: 0%;
  right: 0;
  z-index: 88888222;
  transition: 0.35s linear 0s;
}
.demos-main.hide-content {
    visibility: hidden;
    width: 0px;
    opacity: 0;
}
.demos-main.show-content {
    visibility: visible;
    width: auto;
    opacity: 1;
}
.demos-main {
    background: #f3f3f3;
    padding: 20px;
}
#demos-c li a {
    width: 100%;
    display: block;
    padding-bottom: 10px;
    text-align: center;
    color: #000;
    font-weight: bold;
    font-family: inherit;
    font-size: 14px;
}
.demos-main li {
    margin-bottom: 10px;
}
#demos-c{

    height: 500px;
    overflow: auto;

}