* {
  outline: none;
}

.navigation, .navigation li, .navigation ul{
  margin: 0;
  padding: 0;
  font-size: 13px;
  text-decoration: none;
  z-index: 1;
}

.navigation,.navigation li {
  list-style: none;
}

.content {
  position: relative;
  display: inline-block;
  margin: 20px 20px 20px 20px;
  display: none;
  font-size: 1em;
  text-align: left;
}

.content ul {
  list-style: none;
  text-align: left;
}

.currentYear {
  position: relative;
  left: 10px;
  font-weight: bold;
  font-size: 24px;
}

.frame {
  width: 100%;
  height: 1000px;
}

.item img {
  height: 0.8em;
  margin-right: 5px;
}

.item {
  display: inline-block;
  position: relative;
  vertical-align: middle;
  cursor: pointer;
  background-color: #252525;
  font-size: 1.8em;
  color: #FFF;
  font-weight: bold;
  border: none;
  z-index: 2;
  width: 90%;
  text-align: left;
  padding-left: 5px;
  width: 150px;
}

.item:hover {
  background-color: #666;
}

.list_years {
  height: 500px;
}

ul.navigation li {
    position: relative;
    float: left;
}

/* 特定在第一層 > 第二層之後下拉部分之樣式 */
ul.navigation li ul{
    display: none;
    float: left;
    position: absolute;
    left: 0;
    margin: 0;
}
/* 當第一層選單被觸發時，指定第二層顯示 */
ul.navigation li:hover > ul{
    display: block;
}

ul.navigation li:hover .triangle {
  box-shadow:1px 1px 1px rgba(20%,20%,40%,0.5) inset;
}

ul.navigation li:hover .triangle_down {
  display: none;
}

ul.navigation li:hover .triangle_up {
  display: inline-block;
}

.m_name {
  display: inline;
  padding: 0px 6px 0px 0px;
}

.preload_picture,
.preload_picture2 {
  width: 100%;
  height: 100%;
  background-size: auto 100%;
  background-repeat: no-repeat;
}

.preload_picture:hover {
  box-shadow: 0px 0px 20px #666;
}

.displayer {
  position: relative;
  padding: 1% 1% 1% 1%;/* 上右下左 */
  width: 100%;
  display: block;
}

.displayer div {
  text-align: center;
}

.displayer input[name="tab"] {
  display: none;
}

.displayer label {
  display: inline-block;
  border: 2px solid #0E7F83;
  border-radius: 12px;
  cursor: pointer;
  font-size: 100%;
  color: #FFF;
  background-color: #0E7F83;
  margin: 5px 0px;
  padding: 2px 0px;
  text-align: center;
  width: 97%;
  outline: none;
  font-weight: 600;
  -webkit-transition: all .2s;
  -moz-transition: all .2s;
  -o-transition: all .2s;
  -ms-transition: all .2s;
  transition: all .2s;
}

.displayer input[name="tab"]:checked + label {
  background: rgba(14, 127, 131, 0.1);
  color: #0E7F83;
  outline: none;
  cursor: default;
  width: 100%;
  font-size: 120%;
}

.displayer label:hover {
  background: rgba(14, 127, 131, 0.05);
  color: #0E7F83;
  outline: none;
  width: 100%;
  font-size: 120%;
}

.displayer input[name="tab"]:checked ~ .content {
  display: block;
}

.search {
  position: relative;
  display: inline-block;
  width: 50px;
  top: -4px;
  font-size: 0.7em;
  font-weight: bold;
  vertical-align: middle;
  margin-left: 2px;
  border: none;
  padding: 1px 3px 1px 3px;
}

.search_btn {
  font-size: 1.6em;
}

.search_box {
  display: inline-block;
  overflow: hidden;
  position: absolute;
  width: 0;
  height: 0;
  vertical-align: middle;
  background-color: transparent;
  font-size: 2em;
  color: #FFF;
  font-weight: bold;
  border: none;
  z-index: 2;
  text-align: left;
  padding-left: 5px;
  border: 1px solid transparent;
  border-radius: 5px;
  font-size: 2.5em;
  cursor: default;
  -webkit-transition: all .2s;
  -moz-transition: all .2s;
  -o-transition: all .2s;
  -ms-transition: all .2s;
  transition: all .2s;
}

.pop_search_box {
  width: 107%;
  height: auto;
  overflow: visible;
  position: relative;
  border-color: #AAA;
  background-color: #252525;
}

.search_icon {
  position: relative;
  cursor: pointer;
  top: 1px;
  margin-left: 12px;
  display: inline-block;
  border: 1px solid #FFF;
  border-radius: 3px;
  background-color: #666;
  z-index: 3;
  padding: 1px;
}

.search_icon:hover {
  background-color: #888;
}

.search_icon:active {
  border: none;
}

.search_icon img{
  position: relative;
  top: 2px;
  height: 1.5em;
  font-size: 20px;
}

.triangle {
  width: 30px;
  height: 30px;
  border: 3px solid #0E7F83;
  border-radius: 5px;
  text-align: center;
  cursor: pointer;
  font-size: 12px;
}

.triangle::after {
  width: 0;
  height: 100%;
  content: '';
  vertical-align: middle;
  display: inline-block;
}

.triangle_down, .triangle_up {
  vertical-align: middle;
  margin-left: 3px;
  margin-top: 2px;
}

.triangle_down {
  border-top: 10px solid #0E7F83;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  display: inline-block;
}

.triangle_up {
  border-bottom: 9.5px solid #0E7F83;
  border-left: 9.5px solid transparent;
  border-right: 9.5px solid transparent;
  display: none;
}

.vedio {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
}

.vedio_container {
  position: relative;
  padding-bottom: 55%;
  height: 0%;
}

.categ {
	font-size: 21px;
    text-decoration: underline;
    margin-bottom: 12px;
    display: inline-block;
}