Всплывающая форма входа

<ul id="login-widget-freebie">
  <li>
  <div class="login-widget">
  <span id="login-widget-switch" class="button green">Вход</span>
  <div id="login-widget-content">
  <form method="post" action="#">
  <input type="text" class="icon custom-input" style="background-image: url(images/username_field.png);" placeholder="Имя">
  <input type="password" class="icon custom-input" style="background-image: url(images/password_field.png);" placeholder="Пароль">
  <input type="submit" class="full big button pink" value="Войти">
  </form>
  </div>
  </div>
  </li>
  </ul>

.button {
  padding: 10px 15px;
  font-size: 15px;
  font-weight: bolder;
  cursor: pointer;
  border: 1px solid #000;
  border-radius: 2px;
  -moz-border-radius: 2px;
  -webkit-border-radius: 2px;
  text-shadow: 0 1px 0 rgba(0,0,0,0.4);
}

.button.big {
  padding: 15px;
  border-radius: 5px;
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
}

span#login-widget-switch {
  display: block;
  width: 100px;
  text-align: center;
  margin: 0 auto;
}

div.login-widget {
  position: relative;
}

div#login-widget-content {
  position: absolute;
  top: 80px;
  left: 50%;
  padding: 20px;
  -webkit-box-shadow: 0px 0px 0px 5px rgba(255,255,255,0.11);
  -moz-box-shadow: 0px 0px 0px 5px rgba(255,255,255,0.11);
  box-shadow: 0px 0px 0px 5px rgba(255,255,255,0.11);
  border-radius: 5px;
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
  width: 230px;
  margin-left: -136px;
  background-color: #ffffff;
}

input.custom-input {
  margin-bottom: 20px;
  padding: 10px;
  padding-left: 60px;
  border-radius: 5px;
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
  border: 1px solid #e0e0e0;
  -webkit-box-shadow: inset 0px 3px 5px -4px rgba(0,0,0,0.1);
  -moz-box-shadow: inset 0px 3px 5px -4px rgba(0,0,0,0.1);
  box-shadow: inset 0px 3px 5px -4px rgba(0,0,0,0.1);
  background: no-repeat 15px center;
  background-color: #f4f4f4;
}

.button.pink {
  background: rgba(233,151,152,1);
  background: -moz-linear-gradient(top, rgba(233,151,152,1) 0%, rgba(219,99,99,1) 100%);
  background: -webkit-gradient(left top, left bottom, color-stop(0%, rgba(233,151,152,1)), color-stop(100%, rgba(219,99,99,1)));
  background: -webkit-linear-gradient(top, rgba(233,151,152,1) 0%, rgba(219,99,99,1) 100%);
  background: -o-linear-gradient(top, rgba(233,151,152,1) 0%, rgba(219,99,99,1) 100%);
  background: -ms-linear-gradient(top, rgba(233,151,152,1) 0%, rgba(219,99,99,1) 100%);
  background: linear-gradient(to bottom, rgba(233,151,152,1) 0%, rgba(219,99,99,1) 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#e99798', endColorstr='#db6363', GradientType=0 );
  -webkit-box-shadow: inset 0px 1px 0px 0px rgba(255,255,255,0.5), 0px 1px 0px 0px rgba(0,0,0,0.21);
  -moz-box-shadow: inset 0px 1px 0px 0px rgba(255,255,255,0.5), 0px 1px 0px 0px rgba(0,0,0,0.21);
  box-shadow: inset 0px 1px 0px 0px rgba(255,255,255,0.5), 0px 1px 0px 0px rgba(0,0,0,0.21);
  color: #fff;
  border-color: #c75f5e;
}

.button.pink:hover {
  background: rgba(233,151,152,1);
  background: -moz-linear-gradient(top, rgba(233,151,152,1) 0%, rgba(240,120,120,1) 100%);
  background: -webkit-gradient(left top, left bottom, color-stop(0%, rgba(233,151,152,1)), color-stop(100%, rgba(240,120,120,1)));
  background: -webkit-linear-gradient(top, rgba(233,151,152,1) 0%, rgba(240,120,120,1) 100%);
  background: -o-linear-gradient(top, rgba(233,151,152,1) 0%, rgba(240,120,120,1) 100%);
  background: -ms-linear-gradient(top, rgba(233,151,152,1) 0%, rgba(240,120,120,1) 100%);
  background: linear-gradient(to bottom, rgba(233,151,152,1) 0%, rgba(240,120,120,1) 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#e99798', endColorstr='#f07878', GradientType=0 );
}

.button.pink:active {
  background: rgba(219,129,130,1);
  background: -moz-linear-gradient(top, rgba(219,129,130,1) 0%, rgba(240,120,120,1) 100%);
  background: -webkit-gradient(left top, left bottom, color-stop(0%, rgba(219,129,130,1)), color-stop(100%, rgba(240,120,120,1)));
  background: -webkit-linear-gradient(top, rgba(219,129,130,1) 0%, rgba(240,120,120,1) 100%);
  background: -o-linear-gradient(top, rgba(219,129,130,1) 0%, rgba(240,120,120,1) 100%);
  background: -ms-linear-gradient(top, rgba(219,129,130,1) 0%, rgba(240,120,120,1) 100%);
  background: linear-gradient(to bottom, rgba(219,129,130,1) 0%, rgba(240,120,120,1) 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#db8182', endColorstr='#f07878', GradientType=0 );
}

.button.green
{
  background: rgba(176,213,97,1);
  background: -moz-linear-gradient(top, rgba(176,213,97,1) 0%, rgba(132,186,52,1) 100%);
  background: -webkit-gradient(left top, left bottom, color-stop(0%, rgba(176,213,97,1)), color-stop(100%, rgba(132,186,52,1)));
  background: -webkit-linear-gradient(top, rgba(176,213,97,1) 0%, rgba(132,186,52,1) 100%);
  background: -o-linear-gradient(top, rgba(176,213,97,1) 0%, rgba(132,186,52,1) 100%);
  background: -ms-linear-gradient(top, rgba(176,213,97,1) 0%, rgba(132,186,52,1) 100%);
  background: linear-gradient(to bottom, rgba(176,213,97,1) 0%, rgba(132,186,52,1) 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#b0d561', endColorstr='#84ba34', GradientType=0 );

  -webkit-box-shadow: inset 0px 1px 0px 0px rgba(255,255,255,0.5), 0px 1px 0px 0px rgba(0,0,0,0.21);
  -moz-box-shadow: inset 0px 1px 0px 0px rgba(255,255,255,0.5), 0px 1px 0px 0px rgba(0,0,0,0.21);
  box-shadow: inset 0px 1px 0px 0px rgba(255,255,255,0.5), 0px 1px 0px 0px rgba(0,0,0,0.21);

  color: #fff;
  border-color: #598b06;
}

.button.green:hover
{
  background: rgba(176,213,97,1);
  background: -moz-linear-gradient(top, rgba(176,213,97,1) 0%, rgba(152,214,58,1) 100%);
  background: -webkit-gradient(left top, left bottom, color-stop(0%, rgba(176,213,97,1)), color-stop(100%, rgba(152,214,58,1)));
  background: -webkit-linear-gradient(top, rgba(176,213,97,1) 0%, rgba(152,214,58,1) 100%);
  background: -o-linear-gradient(top, rgba(176,213,97,1) 0%, rgba(152,214,58,1) 100%);
  background: -ms-linear-gradient(top, rgba(176,213,97,1) 0%, rgba(152,214,58,1) 100%);
  background: linear-gradient(to bottom, rgba(176,213,97,1) 0%, rgba(152,214,58,1) 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#b0d561', endColorstr='#98d63a', GradientType=0 );
}

.button.green:active
{
  background: rgba(162,199,84,1);
  background: -moz-linear-gradient(top, rgba(162,199,84,1) 0%, rgba(152,214,58,1) 100%);
  background: -webkit-gradient(left top, left bottom, color-stop(0%, rgba(162,199,84,1)), color-stop(100%, rgba(152,214,58,1)));
  background: -webkit-linear-gradient(top, rgba(162,199,84,1) 0%, rgba(152,214,58,1) 100%);
  background: -o-linear-gradient(top, rgba(162,199,84,1) 0%, rgba(152,214,58,1) 100%);
  background: -ms-linear-gradient(top, rgba(162,199,84,1) 0%, rgba(152,214,58,1) 100%);
  background: linear-gradient(to bottom, rgba(162,199,84,1) 0%, rgba(152,214,58,1) 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#a2c754', endColorstr='#98d63a', GradientType=0 );
}

div#login-widget-content::before
{
  content: '';
  display: block;
  position: absolute;
  border: 16px solid #ffffff;
  border-left: 16px solid rgba(255, 255, 255, 0);
  border-right: 16px solid rgba(255, 255, 255, 0);
  border-top: 0px solid rgba(255, 255, 255, 0);
  top: -16px;
  left: 50%;
  margin-left: -16px;
}

div#login-widget-content::after
{
  content: '';
  display: block;
  position: absolute;
  border: 19px solid rgba(255,255,255,0.11);
  border-left: 18px solid rgba(255, 255, 255, 0);
  border-right: 18px solid rgba(255, 255, 255, 0);
  border-top: 0px solid rgba(255, 255, 255, 0);
  top: -24px;
  left: 50%;
  margin-left: -18px;
}

<script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
  <script>
  $(document).ready(function(){
  $("#login-widget-switch").click(function(){
  $("#login-widget-content").toggle();
  });
  });
  </script>