button.accordion, .accordion-head, .accordion-foo {
  background-color: #fff;
  color: #444;
  cursor: pointer;
  padding: 10px;
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  font-size: 15px;
  transition: 0.4s;
}
button.accordion { 
  color: #069;
  border-bottom: 1px solid #ccc;
  border-left: 1px solid #ccc;
  border-right: 1px solid #ccc;
}
button.accordion-head {
  background-color: #069;
  color: #fff;
  font-size: 18px;
  text-align: left;
  font-weight: bold;
  border-radius: 5px 5px 0 0;
}

#menu-foo {
  color: #069;
  font-size: 15px;
  text-align: left;
  border-radius: 0 0 5px 5px;
}

button.accordion.active {
  background-color: #fff;
}

button.accordion:hover, button#menu-foo:hover {
  color: #fff;
  background-color: #999;
}

button.accordion:after {
  content: '\2795';
  font-size: 13px;
  color: #777;
  float: right;
  margin-left: 5px;
}

button.accordion.active:after {
  content: "\2796";
}

div.panel {
  /* width: 240px; Responsive Fix */ 
  width: 100%;
  /* padding: 0 5px; Responsive Fix */
  background-color: #e8e8e8;
  max-height: 0;
  overflow: hidden;
  transition: 0.6s ease-in-out;
  opacity: 0;
}

.panel ul {
  padding-left: 10px;
  list-style: none;
}

.panel li {
  font-family: Helvetica, Arial, sans-serif;
  /* width: 100%; */
  font-size: 12px;
  color: #000;
  /* display: inline-block; */
  padding: 0 5px;
}
.panel #type li {
  /* width: 48%; */
  display: inline-block;
  padding: 2px 0;
}

div.panel.show {
  opacity: 1;
  max-height: 500px;
}

.product-filter-checkbox {
  margin: 5px 10px;
}

.product-filter-label{
  display: inline-block;
}