.accordion > input {
  display: none;
}
.accordion > label {
  position: relative;
  display: block;
  border: 1px solid #ccc;
  cursor: pointer;
  font-size:18px;
  padding: .5em 1em .5em 1.5em;
   border-radius: 5px;        /* CSS3‘�ˆÄ */
    -webkit-border-radius: 5px;    /* Safari,Google Chrome—p */
    -moz-border-radius: 5px;   /* Firefox—p */
}

.accordion > label::after {
  position: absolute;
  top: 50%;
  right: 10px;
  display: block;
  content: '';
  width: 8px;
  height: 8px;
  margin-top: -7px;
  border-top: 1px solid #888;
  border-right: 1px solid #888;
  -webkit-transform: rotate(135deg);
  transform: rotate(135deg);
}
.accordion > label::before {
  position: absolute;
  top: .5em;
  left: .5em;
  content: '';
  width: 6px;
  height: -webkit-calc(100% - 1em);
  height: calc(100% - 1em);
  background-color: #3498db;
  border-radius: 4px;
}
.accordion > div {
  display: none;
  position: relative;
  height: 0;
  overflow: hidden;
  transition: height .2s ease-in-out;
}
.accordion > input:checked + label::after {
  margin-top: -3px;
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}
.accordion > input:checked + label + div {
  display: block;
  height: 100%;
}


.accordion > a div {
  position: relative;
  display: block;
  border: 1px solid #ccc;
  cursor: pointer;
  font-size:16px;
  font-weight: bold;
  padding: .5em 1em .5em 1.5em;
   border-radius: 5px;        /* CSS3‘�ˆÄ */
    -webkit-border-radius: 5px;    /* Safari,Google Chrome—p */
    -moz-border-radius: 5px;   /* Firefox—p */
}
.accordion > a div::after {
  position: absolute;
  top: 50%;
  right: 10px;
  display: block;
  content: '';
  width: 8px;
  height: 8px;
  margin-top: -7px;
  border-top: 1px solid #888;
  border-right: 1px solid #888;
  -webkit-transform: rotate(135deg);
  transform: rotate(135deg);
}
.accordion > a div::before {
  position: absolute;
  top: .5em;
  left: .5em;
  content: '';
  width: 6px;
  height: -webkit-calc(100% - 1em);
  height: calc(100% - 1em);
  background-color: #3498db;
  border-radius: 4px;
}

.acc input {
  display: none;
}
.acc label {
  position: relative;
  display: block;
  cursor: pointer;
  font-weight: bold;
  padding: .25em 1em .25em 28px;
}

.acc label::after {
  position: absolute;
  top: 50%;
  left: 10px;
  display: block;
  content: '';
  width: 8px;
  height: 8px;
  margin-top: -7px;
  border-top: 1px solid #3498db;
  border-right: 1px solid #3498db;
  -webkit-transform: rotate(135deg);
  transform: rotate(135deg);
}
.acc label:hover,
.acc label:focus  {
    color:#3498db;
}

.acc input:checked + label::after {
  margin-top: -3px;
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.acc > div {
  display: none;
  position: relative;
  height: 0;
  overflow: hidden;
  transition: height .2s ease-in-out;
}

.acc input:checked + label + div {
  display: block;
  height: 100%;
}