/* 页面主要的样式 */

.main {
  margin: 40px 80px;
}
.search {
  width: 180px;
  height: 30px;
  border-radius: 40px;
  border: 1px solid #e1e1e1;
  padding-left: 12px;
  box-sizing: border-box;
  background: url("../img/search_logo.png") #eee  96% no-repeat;
  transition: all 0.4s ease;
}
.search:focus {
  width: 220px;
  /* background-position: 191px; */
}
.search:focus+.dropdown {
  display: block;
}
.dropdown{
  width: 240px;
  height: 260px;
  display: none;
}
.dropdown_arrow {
  border-left: 10px solid #ff000000;
  border-top: 10px solid #ffff0000;
  border-bottom: 10px solid #eee;
  border-right: 10px solid #80808000;
  width: 0;
  height: 0;
  margin-left: 10px;
}

.dropdown_menu {
  box-shadow: 1px 11px 28px #d2d2d2;
  background: #eee;
  padding: 8px;
}

.menu_content {
  margin-top: 15px;
}
.menu_content ul li {
  float: left;
  padding: 2px 6px;
  border: 1px solid #ddd;
  border-radius: 12px;
  margin-right: 10px;
  margin-bottom: 10px;
}
.menu_content ul li a{
  font-size: 12px;
  color: #787878;
}
.menu_content ul li:hover {
  background: rgb(245, 244, 244);
}