.ac-container{
  width: 730px;
  margin: 0px auto 0px auto;
  text-align: left;
  float:left;
}
.ac-container label{
  
  padding: 5px 20px;
  position: relative;
  z-index: 20;
  display: block;
  height: 30px;
  cursor: pointer;
  color: #777;
  
  line-height: 33px;
  font-size: 16px;
  background: #e2e2e2;
  border-bottom:0px solid #777;
  
}
.ac-container label:hover{
      background: #D9D9D9;
}
.ac-container input:checked + label,
.ac-container input:checked + label:hover{
  background: rgba(55,170,234,0.2);
  color: #444;

  
}
.ac-container label:hover:after,
.ac-container input:checked + label:hover:after{
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  right: 13px;
  top: 7px;
  background: transparent url(../images/arrow_down.png) no-repeat center center;  
}
.ac-container input:checked + label:hover:after{
  background-image: url(../images/arrow_up.png);
}
.ac-container input{
  display: none;
}
.ac-container p{
  /*background: rgba(255, 255, 255, 1);*/
  margin: 0px 0 0 0;
  overflow: hidden;
  height: 0px;
  position: relative;
  z-index: 10;
  -webkit-transition: height 0.3s ease-in-out, box-shadow 0.6s linear;
  -moz-transition: height 0.3s ease-in-out, box-shadow 0.6s linear;
  -o-transition: height 0.3s ease-in-out, box-shadow 0.6s linear;
  -ms-transition: height 0.3s ease-in-out, box-shadow 0.6s linear;
  transition: height 0.3s ease-in-out, box-shadow 0.6s linear;
}
.ac-container p span{display: block;
  font-style: italic;
  color: #777;
  line-height: 23px;
  font-size: 14px;
  padding: 20px;
}
.ac-container input:checked ~ p{
  -webkit-transition: height 0.5s ease-in-out, box-shadow 0.1s linear;
  -moz-transition: height 0.5s ease-in-out, box-shadow 0.1s linear;
  -o-transition: height 0.5s ease-in-out, box-shadow 0.1s linear;
  -ms-transition: height 0.5s ease-in-out, box-shadow 0.1s linear;
  transition: height 0.5s ease-in-out, box-shadow 0.1s linear;
  
}
.ac-container input:checked ~ p.ac-small{
  height: 120px;
}
.ac-container input:checked ~ p.ac-medium{
  height: 160px;
}
.ac-container input:checked ~ p.ac-large{
  height: 230px;
}