article {
box-lines:multiple;
font-family:"Palatino Linotype";
}
#smart {
  
  overflow-x: hidden; }
p {
  margin-bottom: 24px; }
  p:last-child {
    margin-bottom: 0; }


.invis {
  height: 1px;
  left: -999px;
  position: absolute;
  top: -999px;
  visibility: hidden;
  width: 1px; }

.main-base {
 
  left: 0px;
  position: relative;
   transition: all .3s; 
   }


.nav-side {
  background:rgba(0,0,0,1);
  color: #fff;
  top: 24px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  height: 30px;
  left: 00px;
  overflow: hidden;
  padding: 8px 0;
  position: fixed;
  transition: all .3s;
  width: 40px;
  z-index: 99; }

.menu-list {
  height: 0%;
  list-style: none;
  margin: 10px;
  overflow: hidden;
  padding: 0;
  transition: all .3s; }
  .menu-list a {
    border-bottom: 1px solid #eee;
    color: #fff;
    display: block;
    padding: 12px 8px;
    text-decoration: none; 
      border-bottom-left-radius:25px;}
    .menu-list a:hover {
      background: rgba(10, 10, 10, 0.5); }

.btn-label {
  cursor: pointer;
  display: block;
  height: 40px;
  width: 40px;
  position: absolute;
  top: 0;
  left: 0;
  background-image: url('../img/menu.svg');
  background-size:contain;
  border-bottom-left-radius:25px; }
   #nav-expand:checked + .nav-side .btn-label {
    display: none;
  }

.close {
  cursor: pointer;
  text-align: right;
  padding-right: 15px;
  line-height: 30px;
  font-size: 30px;
  cursor: hand;
  cursor: pointer;
  display: none;
  height: 40px;
  border-bottom: 1px solid #fff; 
  border-bottom-left-radius:25px;}
  #nav-expand:checked + .nav-side .close {
    display: block;
  }

#nav-expand:checked + .nav-side {
  bottom: 0;
  height: 100%;
  left: 0;
  width: 200px; }
  #nav-expand:checked + .nav-side .menu-list {
    height: 100%; }
  #nav-expand:checked + .nav-side .btn-label {
    color: transparent;
    display: inline-block;
    height: 20px;
    line-height: 20px;
    text-align: center;
    width: 20px; }
  #nav-expand:checked + .nav-side + .main-base {
    left: 200px; }
  #nav-collapse + .main-base {
    left: 200px; }
  #nav-collapse + .main-base > .overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,.5);
    opacity: 0.5;
    transition: opacity .3s; }
  #nav-collapse:checked + .main-base {
    left: 0; }
  #nav-collapse:checked + .main-base > .overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    height: 100%;
    width: 100%;
    opacity: 1; }