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-52px;background-repeat:no-repeat;-moz-background-size:104px auto;background-size:104px auto;content:"";display:block;-ms-flex:0 0 auto;flex:0 0 auto;height:24px;width:24px}.lecture-submit__top .my-bookmark.added:before{background-position:-24px -76px}.lecture-submit__bottom{-webkit-box-flex:1;-moz-box-flex:1;-ms-flex:1 auto;flex:1 auto}@media screen and (min-width:960px){.lecture-submit__bottom{-webkit-box-ordinal-group:2;-moz-box-ordinal-group:2;-ms-flex-order:1;order:1;padding:0;width:100%}}.lecture-submit__bottom.ing_state{-webkit-box-align:center;-moz-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-moz-box;display:-ms-flexbox;display:flex}@media screen and (min-width:960px){.lecture-submit__bottom.ing_state{-webkit-box-orient:vertical;-webkit-box-direction:normal;-moz-box-orient:vertical;-moz-box-direction:normal;-ms-flex-direction:column;flex-direction:column}}.lecture-submit__bottom.ing_state 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i:before{background-color:#b4b4b4;content:"";display:block;height:2px;margin:0 4px;width:2px}.class-summary__item i:first-of-type:before{display:none}.lecture-mission{background-color:#121212;border-bottom:1px solid #2b2b2b;padding:12px 0}.lecture-mission .lecture-mission__head{margin-bottom:12px;padding:0 16px}.lecture-mission .lecture-mission__title{-webkit-box-pack:justify;-moz-box-pack:justify;-ms-flex-pack:justify;-webkit-box-align:center;-moz-box-align:center;-ms-flex-align:center;align-items:center;color:#eaeaea;display:-webkit-box;display:-moz-box;display:-ms-flexbox;display:flex;font-size:1.75rem;font-weight:400;justify-content:space-between;position:relative}.lecture-mission .lecture-mission__title span{font-size:1.5rem;font-weight:400}.lecture-mission .user-mission__thumb{background-position:50%;background-repeat:no-repeat;-moz-background-size:cover;background-size:cover;height:0;padding-bottom:100%}.lecture-mission .swiper-lazy-preloader{height:0;padding-bottom:100%}.lecture-mission .user-completed__mission.swiper-container{padding:0 16px}.lecture-mission .user-info{-webkit-box-align:center;-moz-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-moz-box;display:-ms-flexbox;display:flex;padding:8px 0 6px}.lecture-mission .user-info__avatar{background-position:50%;background-repeat:no-repeat;-moz-background-size:cover;background-size:cover;-webkit-border-radius:100%;-moz-border-radius:100%;border-radius:100%;height:24px;margin-right:8px;width:24px}.lecture-mission .user-info__name,.lecture-mission .user-mission__comment{color:#b4b4b4;font-size:1.35rem}.lecture-mission 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