Вкладки (табы) с использованием CSS и JS

<div class="kedumpvansed">
  <ul class="kedumpvansed__tabs">
  <li><a class="determinesud" href="#gasakeceiv-1"><i class="fa fa-star"></i> Zornet.Ru</a></li>
  <li><a href="#gasakeceiv-2"><i class="fa fa-link"></i> CSS</a></li>
  <li><a href="#gasakeceiv-3"><i class="fa fa-photo"></i> SEO</a></li>
  <li><a href="#gasakeceiv-4"><i class="fa fa-user"></i> Контакт</a></li>
  </ul>
  <section class="kusagned-navigadon">
  <article id="gasakeceiv-1" class="sigadondake-delookouge gasakeceiv-determinesud">
  <h3>ZorNet - портал для вебмастера</h3>
  <p>Первое описание на вкладке.</p>
  </article>
   
  <article id="gasakeceiv-2" class="sigadondake-delookouge">
  <h3>Смотреть кино</h3>
  <p>Здесь можно поставить плеер</p>
  </article>

  <article id="gasakeceiv-3" class="sigadondake-delookouge">
  <h3>Шаблоны на портал</h3>
  <p>Краткое описание под номером 3</p>
  </article>
   
  <article id="gasakeceiv-4" class="sigadondake-delookouge">
  <h3>Скрипты для сайта</h3>
  <p>Четвертое описание по тематике</p>
  </article>

  </section>
  <div class="donumpon-gansetove"></div>
  </div>

.kedumpvansed__tabs {
  list-style: none;
  overflow: hidden;
}
.kedumpvansed__tabs li {
  float: left;
  margin-right: 2px;
  font-size: 1.3em;
}
.kedumpvansed__tabs a {
  padding: 1em;
  background: #333b48;
  display: inline-block;
  color: #FFF;
  text-decoration: none;
  -webkit-border-radius: 4px 4px 0 0;
  -moz-border-radius: 4px 4px 0 0;
  border-radius: 4px 4px 0 0;
  -webkit-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
  -webkit-box-shadow: inset 0 -2px 5px rgba(0,0,0,0.2);
  -moz-box-shadow: inset 0 -2px 5px rgba(0,0,0,0.2);
  box-shadow: inset 0 -2px 5px rgba(0,0,0,0.2);
}
.kedumpvansed__tabs a:hover {
  background: #515a68;
}
.kedumpvansed__tabs a.determinesud {
  color: #333b48;
  background: #FFF;
  -webkit-box-shadow: none;
  -moz-box-shadow: none;
  box-shadow: none;
}
.kedumpvansed__tabs a.determinesud i {color: #80cbb7;}
.kedumpvansed__tabs a i {
  margin-right: 3px;
  color: #aaaaaa;
}

.kedumpvansed {
  margin: 55px auto;
  width: 80%;
  max-width: 600px;
  position: relative;
}
.kusagned-navigadon {
  padding: 2em;
  position: relative;
  z-index: 400;
  background: #FFF;
  min-height: 300px;
  -webkit-border-radius: 0 4px 4px 4px;
  -moz-border-radius: 0 4px 4px 4px;
  border-radius: 0 4px 4px 4px;
}
.donumpon-gansetove {
  position: absolute;
  z-index: 300;
  bottom: -5px;
  height: 25px;
  width: 100%;
}
.donumpon-gansetove:after,
.donumpon-gansetove:before {
  content: '';
  display: block;
  width: 50%;
  height: 25px;
  position: absolute;
  left: 0;
  background: rgba(0,0,0,0.2);
  -webkit-border-radius: 25px;
  -moz-border-radius: 25px;
  border-radius: 25px;
  -webkit-box-shadow: 0 0 15px 5px rgba(0,0,0,0.25);
  -moz-box-shadow: 0 0 15px 5px rgba(0,0,0,0.25);
  box-shadow: 0 0 15px 5px rgba(0,0,0,0.25);
  -webkit-transform: scale(0.8) rotate(-4deg);
  -ms-transform: scale(0.8) rotate(-4deg);
  -o-transform: scale(0.8) rotate(-4deg);
  transform: scale(0.8) rotate(-4deg);
}
.donumpon-gansetove:after {
  right: 0;
  left: auto;
  -webkit-transform: scale(0.8) rotate(4deg);
  -ms-transform: scale(0.8) rotate(4deg);
  -o-transform: scale(0.8) rotate(4deg);
  transform: scale(0.8) rotate(4deg);
}
.kusagned-navigadon .sigadondake-delookouge {
  line-height: 1.3;
  color: #76716f;
  display: none;
}
.kusagned-navigadon .sigadondake-delookouge.gasakeceiv-determinesud {
  display: block;
}
.kusagned-navigadon .sigadondake-delookouge h3 {
  font-size: 1.8em;
  color: #333b48;
  border-bottom: 1px solid #d9d9d9;
  padding-bottom: 5px;
  margin-bottom: 12px;
}
.kusagned-navigadon .sigadondake-delookouge p {
  font-size: 1.3em;
  line-height: 1.6em;
  color: #76716f;
}

$(function() {

  var $kedumpvansed_tabs = $('.kedumpvansed__tabs li a');  
  $kedumpvansed_tabs.on('click', function(e) {
  e.preventDefault();
  $kedumpvansed_tabs.removeClass('determinesud');
  $(this).addClass('determinesud');

  $('.sigadondake-delookouge').fadeOut(300);
  $(this.hash).delay(300).fadeIn();
  });

});