#leadiaWidget,#leadia_science_widget{display:none!important}@media (min-width:72em){#leadiaWidget,#leadia_science_widget{display:block!important}}#bottomadholder{position:fixed;bottom:0;width:100%;z-index:999;pointer-events:none}#bottomadholder #botrekcode{box-sizing:border-box;position:relative;width:300px;height:auto;margin:0 auto;background:#FEFEFE;border:1px solid #fff;pointer-events:all}#bottomadholder #botrekcode #yandex_rtb_R-A-138988-1{width:300px;height:auto;overflow:hidden}#bottomadholder #botrekcode #closebotrek{display:block;box-sizing:border-box;position:absolute;right:0;bottom:100%;background:#FFF;border:1px solid #d86c17;font-size:1.25em;padding:.2em 1em;color:#d86c17;cursor:pointer}