.tab_basic { width: 780px; margin: auto; }
.tab_list_wrap { font-size: 0; height: 35px; }
.tab_list { display: inline-block; width: 20%; height: 100%; font-size: 15px; line-height: 30px; text-align: center; border: 1px solid #eee; border-right: 0; box-sizing: border-box; }
.tab_list:last-child { border-right: 1px solid #eee; }
.tab_list.tab_active { background: #eee; }
.tab_list a { display: block; width: 100%; height: 100%; text-decoration: none; color: #222; }
.tab_content { display: none; width: 100%; min-height: 100px; padding: 20px; background: #eee; box-sizing: border-box; }
.tab_content:first-child { display: block; }