.tab {
  position: relative;
  overflow: hidden;
  background: #fff;
  display: block;
  margin: 0 auto;
  font-weight: 300;
  color: #888;
  -webkit-font-smoothing: antialiased;
}

.tabs {
  display: table;
  position: relative;
  overflow: hidden;
  margin: 0 auto;
  max-width: 1200px;
  padding: 0px;
  background-color: #ECECEC;
  border-radius: 30px;
}
.tabs li {
  display: table-cell;
  overflow: hidden;
  padding: 0;
  position: relative;
}
.tabs a {
  background-color: #ECECEC;  
  font-weight: 500;
  display: block;
  letter-spacing: 0;
  text-align: center;
  outline: none;
  padding: 0 20px;
  text-decoration: none;
}

.tabs_item {
  display: none;
  padding: 40px 0;
  max-width: 1200px;
  margin: 0 auto;
}

.tabs_item img {
  display: block;
  margin: 0 auto;
}
.tabs_item:first-child {
  display: block;
}