#element_538_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_538 {z-index: 18;}#element_537_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_537 {z-index: 17;}#element_536_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_536 {z-index: 16;}#element_535_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_535 {z-index: 15;}#element_534_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_534 {z-index: 14;}#element_533_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_533 {z-index: 13;}#element_525_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_525 {z-index: 12;}#element_524_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_524 {z-index: 11;}#element_521_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_521 {z-index: 10;}#element_1326 {z-index: 9;}#element_226 {z-index: 8;}#element_225 {z-index: 7;}#element_224 {z-index: 6;}#element_7 {z-index: 5;}#element_520_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_520 {z-index: 4;}#element_57_content{opacity: 0.7;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_57 {z-index: 3;}#element_54_content{opacity: 1;background-color: rgb(76, 141, 202);background-size: auto;background-attachment: scroll;background-image: url('/files/dynamicContent/sites/phet4h/images/.CURRENT_LIB/1920_phet4h_img_90d6e17b514be3f156e135e828e8314d.png');background-repeat: repeat;background-position: 0px 0px;border-radius: 0.0px; border: none;box-shadow: none;}#element_54 {z-index: 2;}#footerGroup_pl_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#footerGroup_pl {z-index: 1;}body, body::before, #body, #container {z-index: 0;}@media (max-width: 479px){#element_1326{width: 340.0px;height: auto;left: -10.0px;right: auto;top: 114.0px;}#element_1326_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_226{width: auto;height: auto;left: 134.0px;right: auto;top: 147.0px;}#element_226_content{padding: 0px}#element_225{width: 340.0px;height: auto;left: -10.0px;right: auto;top: 91.0px;}#element_225_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_224{width: 243.0px;height: 91.0px;left: 39.0px;right: auto;top: 0.0px;}#element_224_content{padding: 0px}#element_7{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 181.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 0.0px;}#element_7_content{padding: 0px}#element_57{width: 365.0px;height: auto;left: -28.0px;right: auto;top: 0.0px;}#element_57_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_54{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 75.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 0.0px;}#element_54_content{padding: 0px}#footerGroup_pl{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 84.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 3223.0px;}#footerGroup_pl_content{padding: 0px}#element_538{visibility: hidden;}#element_538{width: 273.0px;height: 201.0px;left: 33.0px;right: auto;top: 2622.0px;}#element_538_content{padding: 0px}#element_537{width: 320.0px;height: 257.0px;left: 0.0px;right: auto;top: 1095.0px;}#element_537_content{padding: 0px}#element_536{visibility: hidden;}#element_536{width: 273.0px;height: 201.0px;left: 33.0px;right: auto;top: 1940.0px;}#element_536_content{padding: 0px}#element_535{visibility: hidden;}#element_535{width: 260.0px;height: auto;left: 40.0px;right: auto;top: 2816.0px;}#element_535_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_534{visibility: hidden;}#element_534{width: 260.0px;height: auto;left: 30.0px;right: auto;top: 1386.0px;}#element_534_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_533{visibility: hidden;}#element_533{width: 260.0px;height: auto;left: 30.0px;right: auto;top: 2136.0px;}#element_533_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_525{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 237.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 480.0px;}#element_525_content{padding: 0px}#element_524{width: 320.0px;height: auto;left: 0.0px;right: auto;top: 704.0px;}#element_524_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_521{width: 320.0px;height: auto;left: 0.0px;right: auto;top: 141.0px;}#element_521_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_520{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 383.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 94.0px;}#element_520_content{padding: 0px}#element_57{width: 365.0px;height: 64.0px;left: -28.0px;right: auto;top: 0.0px;}#element_57_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_54{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 75.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 0.0px;}#element_54_content{padding: 0px}#footerGroup_pl{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 84.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 0.0px;}#footerGroup_pl_content{padding: 0px}}@media (max-width: 1199px) and (min-width: 480px){#element_1326{width: 279.0px;height: auto;left: 217.0px;right: auto;top: 41.0px;}#element_1326_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_226{width: auto;height: auto;left: 217.0px;right: auto;top: 69.0px;}#element_226_content{padding: 0px}#element_225{width: 279.0px;height: auto;left: 217.0px;right: auto;top: 16.0px;}#element_225_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_224{width: 243.0px;height: 91.0px;left: 0.0px;right: auto;top: 0.0px;}#element_224_content{padding: 0px}#element_7{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 123.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 0.0px;}#element_7_content{padding: 0px}#element_57{width: 478.0px;height: auto;left: 2.0px;right: auto;top: 14.0px;}#element_57_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_54{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 45.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 14.0px;}#element_54_content{padding: 0px}#footerGroup_pl{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 60.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 2752.0px;}#footerGroup_pl_content{padding: 0px}#element_538{width: 405.0px;height: 298.0px;left: 47.0px;right: auto;top: 2413.0px;}#element_538_content{padding: 0px}#element_537{width: 405.0px;height: 298.0px;left: 47.0px;right: auto;top: 1165.0px;}#element_537_content{padding: 0px}#element_536{width: 405.0px;height: 298.0px;left: 47.0px;right: auto;top: 1788.0px;}#element_536_content{padding: 0px}#element_535{width: 408.0px;height: auto;left: 36.0px;right: auto;top: 2686.0px;}#element_535_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_534{width: 408.0px;height: auto;left: 36.0px;right: auto;top: 1438.0px;}#element_534_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_533{width: 408.0px;height: auto;left: 36.0px;right: auto;top: 2062.0px;}#element_533_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_525{width: 405.0px;height: 298.0px;left: 47.0px;right: auto;top: 536.0px;}#element_525_content{padding: 0px}#element_524{width: 408.0px;height: auto;left: 36.0px;right: auto;top: 815.0px;}#element_524_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_521{width: 480.0px;height: auto;left: 0.0px;right: auto;top: 140.0px;}#element_521_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_520{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 383.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 94.0px;}#element_520_content{padding: 0px}#element_57{width: 478.0px;height: 40.0px;left: 2.0px;right: auto;top: 14.0px;}#element_57_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_54{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 45.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 14.0px;}#element_54_content{padding: 0px}#footerGroup_pl{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 60.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 0.0px;}#footerGroup_pl_content{padding: 0px}}@media (min-width: 1200px){#element_1326{width: 273.0px;height: auto;left: 956.0px;right: auto;top: 20.0px;}#element_1326_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_226{width: 789.0px;height: 52.0px;left: 235.0px;right: auto;top: 40.0px;}#element_226_content{padding: 0px}#element_225{width: 172.0px;height: 58.0px;left: 1060.0px;right: auto;top: 0.0px;}#element_225_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_224{width: 243.0px;height: 91.0px;left: 0.0px;right: auto;top: 0.0px;}#element_224_content{padding: 0px}#element_7{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 94.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 0.0px;}#element_7_content{padding: 0px}#element_57{width: 611.0px;height: auto;left: 295.0px;right: auto;top: 20.0px;}#element_57_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_54{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 40.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 20.0px;}#element_54_content{padding: 0px}#footerGroup_pl{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 100.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 0.0px;}#footerGroup_pl_content{padding: 0px}#element_538{width: 565.0px;height: 415.0px;left: 600.0px;right: auto;top: 1806.0px;}#element_538_content{padding: 0px}#element_537{width: 564.0px;height: 415.0px;left: 54.0px;right: auto;top: 1408.0px;}#element_537_content{padding: 0px}#element_536{width: 567.0px;height: 417.0px;left: 599.0px;right: auto;top: 1016.0px;}#element_536_content{padding: 0px}#element_535{width: 510.0px;height: 267.0px;left: 85.0px;right: auto;top: 1851.0px;}#element_535_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_534{width: 510.0px;height: 267.0px;left: 639.0px;right: auto;top: 1454.0px;}#element_534_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_533{width: 510.0px;height: 267.0px;left: 85.0px;right: auto;top: 1063.0px;}#element_533_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_525{width: 565.0px;height: 416.0px;left: 0.0px;right: auto;top: 620.0px;}#element_525_content{padding: 0px}#element_524{width: 448.0px;height: 323.0px;left: 647.0px;right: auto;top: 649.0px;}#element_524_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_521{width: 1200.0px;height: 100.0px;left: 0.0px;right: auto;top: 335.0px;}#element_521_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_520{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 597.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 0.0px;}#element_520_content{padding: 0px}#element_57{width: 611.0px;height: 40.0px;left: 295.0px;right: auto;top: 20.0px;}#element_57_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_54{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 40.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 20.0px;}#element_54_content{padding: 0px}#footerGroup_pl{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 100.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 0.0px;}#footerGroup_pl_content{padding: 0px}}