@charset "utf-8";#lesson_tab{display:table;margin-left:auto;margin-right:auto}#lesson_tab>li{-webkit-backface-visibility:hidden;backface-visibility:hidden;background-color:#29ABE2;border-radius:10px 10px 0 0;color:#FFF;cursor:pointer;display:table-cell;transition:background-color 0.2s ease-out 0s;vertical-align:middle;width:50%}#lesson_tab>li.active{background-color:#FFF;color:#4D4D4D}@media screen and (max-width:767px){#lesson_tab{width:93.75%}#lesson_tab>li{padding:1.5625%}}@media screen and (min-width:768px){#lesson_tab{}#lesson_tab>li{font-size:125%;height:54px}}@media screen and (min-width:768px) and (max-width:939px){#lesson_tab{width:-webkit-calc(100% - (20px * 2));width:calc(100% - (20px * 2))}}@media screen and (min-width:940px){#lesson_tab{width:-webkit-calc(100% - (30px * 2));width:calc(100% - (30px * 2));max-width:1140px}}#lesson_selecter{background-color:#FFF;border-radius:0 0 10px 10px;margin-left:auto;margin-right:auto}#lesson_selecter section a{-webkit-backface-visibility:hidden;backface-visibility:hidden;border:1px solid #29ABE2;color:#29ABE2;display:table;text-decoration:none;transition:background-color 0.2s ease-out 0s}#lesson_selecter section a.active,#lesson_selecter section a:hover{background-color:#29ABE2;color:#FFF}#lesson_selecter section a>picture{display:table-cell;vertical-align:middle}#lesson_selecter section a>picture img{width:100%}#lesson_selecter section a>p{display:table-cell;text-align:left;vertical-align:middle}@media screen and (min-width:480px){#lesson_selecter section:after{clear:both;content:"";display:block}#lesson_selecter section a{float:left}}@media screen and (min-width:480px) and (max-width:767px){#lesson_selecter section a{margin-top:1.724137931034483%;margin-bottom:1.724137931034483%;width:-webkit-calc((100% - 1.724137931034483%) / 2);width:calc((100% - 1.724137931034483%) / 2)}#lesson_selecter section a:nth-child(even){margin-left:1.724137931034483%}}@media screen and (max-width:767px){#lesson_selecter{margin-bottom:6.25%;padding:1.5625% 3.125%;width:93.75%}#lesson_selecter section a{margin-top:1.785714285714286%;margin-bottom:1.785714285714286%;width:100%}#lesson_selecter section a>picture{padding:1.724137931034483%;width:60px}#lesson_selecter section a>p{font-size:87.5%;padding:1.724137931034483% 3.448275862068966%}#lesson_selecter section a>picture+p{padding:1.724137931034483% 3.448275862068966% 1.724137931034483% 1.724137931034483%}}@media screen and (min-width:768px){#lesson_selecter{}#lesson_selecter section a{margin-top:5px;margin-bottom:5px;height 80px}#lesson_selecter section a>picture{padding:3px;width:78px}#lesson_selecter section a>p{height:78px;padding:4px 20px}#lesson_selecter section a>picture+p{height:auto;padding:4px 10px 4px 6px}}@media screen and (min-width:768px) and (max-width:939px){#lesson_selecter{padding:15px 30px;width:-webkit-calc(100% - (20px * 2));width:calc(100% - (20px * 2))}#lesson_selecter section a{width:-webkit-calc((100% - 10px) / 2);width:calc((100% - 10px) / 2)}#lesson_selecter section a:nth-child(even){margin-left:10px}}@media screen and (min-width:940px){#lesson_selecter{padding:25px 40px;width:-webkit-calc(100% - (30px * 2));width:calc(100% - (30px * 2));max-width:1140px}#lesson_selecter section a{width:-webkit-calc((100% - (10px * 2)) / 3);width:calc((100% - (10px * 2)) / 3)}#lesson_selecter section a:not(:nth-child(3n+1)){margin-left:10px}}