Блок "Поделиться в соц сетях"

<section>
  <ul class="social">
  <li><a href="#" class="google"></a></li>
  <li><a href="#" class="facebook"></a></li>
  <li><a href="#" class="vk"></a></li>
  <li><a href="#" class="twitter"></a></li>
  <li>
  <a href="#" class="link">
  <div class="submenu">
  <label for="1">URL:</label>
  <input type="text" value='http://mysite.com/' id="1" onclick="select(this);" readonly>
  <label for="2">HTML:</label>
  <input type="text" value='<a href="http://mysite.com/">mysite.com</a>' id="2" onclick="select(this);" readonly>
  <label for="3">BB code:</label>
  <input type="text" value='mysite.com' id="3" onclick="select(this);" readonly>
  </div>
  </a>
  </li>  
  </ul>
  </section>

.social {
  position: relative;
}

.social li {
  float: left;
}

.social li a{
  width: 36px;
  height: 30px;
  margin: 0 2px;
  display: block;
}

.submenu {
  position: absolute;
  width: 193px;
  top: 37px;
  left: 3px;
  background: rgb(66,67,67);
  background: -moz-linear-gradient(top, rgba(66,67,67,1) 0%, rgba(45,45,45,1) 100%);
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(66,67,67,1)), color-stop(100%,rgba(45,45,45,1)));
  background: -webkit-linear-gradient(top, rgba(66,67,67,1) 0%,rgba(45,45,45,1) 100%);
  background: -o-linear-gradient(top, rgba(66,67,67,1) 0%,rgba(45,45,45,1) 100%);
  background: -ms-linear-gradient(top, rgba(66,67,67,1) 0%,rgba(45,45,45,1) 100%);
  background: linear-gradient(to bottom, rgba(66,67,67,1) 0%,rgba(45,45,45,1) 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#424343', endColorstr='#2d2d2d',GradientType=0 );
  padding: 0 10px 10px 10px;

  border-radius: 5px;
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;

  box-shadow: inset 0 3px 5px rgba(0,0,0,.4), 0 0 3px rgba(0,0,0,.38);
  -moz-box-shadow: inset 0 3px 5px rgba(0,0,0,.4), 0 0 3px rgba(0,0,0,.38);
  -webkit-box-shadow: inset 0 3px 5px rgba(0,0,0,.4), 0 0 3px rgba(0,0,0,.38);

  opacity: 0;
   
  -webkit-transition:opacity .3s ease .2s;
  -moz-transition:opacity .3s ease .2s;
  -o-transition:opacity .3s ease .2s;
  transition:opacity .3s ease .2s;
}

.link:hover > div {
  opacity: 1;
}

.submenu:after{
  bottom: 100%;
  border: solid transparent;
  content: " ";
  height: 0;
  width: 0;
  position: absolute;
  pointer-events: none;
}

.submenu:after {
  border-bottom-color: rgb(66,67,67);
  border-width: 7px;
  right: 4%;
  margin-left: -7px;
}

.submenu label {
  margin-top: 4px;
  font: 14px Calibri;
  display: block;
  color: #7e7e7e;
  text-shadow: 1px 0 1px rgba(0,0,0,.44);  
}

.submenu input[type="text"] {
  width: 100%;
  font-family: Tahoma;
  color: #fff;
  background: #323232;
  padding: 5px;
  border: 1px solid #1b1b1b;
  cursor: text;

  border-radius: 4px;
  -moz-border-radius: 4px;
  -webkit-border-radius: 4px;

  box-shadow: inset 2px 0 9px rgba(0,0,0,.5), 0 1px 0 rgba(255,255,255,.1);
  -moz-box-shadow: inset 2px 0 9px rgba(0,0,0,.5), 0 1px 0 rgba(255,255,255,.1);
  -webkit-box-shadow: inset 2px 0 9px rgba(0,0,0,.5), 0 1px 0 rgba(255,255,255,.1);
}

.google {
  background: url('../img/google.png');
}

.facebook {
  background: url('../img/facebook.png');
}

.vk {
  background: url('../img/vk.png');
}

.twitter {
  background: url('../img/twitter.png');
}

.link {
  background: url('../img/link.png');
}