@media (max-width: 479px){#element_226 {visibility: visible;}}@media (max-width: 1199px) and (min-width: 480px){#element_226 {visibility: visible;}}@media (min-width: 1200px){}#element_1008_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_1008 {z-index: 24;}#element_875_content{opacity: 1;background: none;border-radius: 6.0px; border: none;box-shadow: 5.0px 5.0px 20.0px rgba(156,156,156,1);}#element_875 {z-index: 23;}#element_874_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_874 {z-index: 22;}#element_873_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_873 {z-index: 21;}#element_777_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_777 {z-index: 20;}#element_718_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_718 {z-index: 19;}#element_669_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_669 {z-index: 18;}#element_622_content{opacity: 1;background: none;border-radius: 6.0px; border: none;box-shadow: 5.0px 5.0px 20.0px rgba(112, 112, 112, 0.53);}#element_622 {z-index: 17;}#element_621_content{opacity: 1;background: none;border-radius: 6.0px; border: none;box-shadow: 5.0px 5.0px 20.0px rgba(112, 112, 112, 0.53);}#element_621 {z-index: 16;}#element_616_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_616 {z-index: 15;}#element_615_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_615 {z-index: 14;}#element_421_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_421 {z-index: 13;}#element_304_content{opacity: 1;background-color: rgb(250, 188, 0);background-size: auto;background-attachment: scroll;background-repeat: no-repeat;background-position: 0px 0px;border-radius: 0.0px; border: none;box-shadow: none;vertical-align: middle;horizontal-align: center;}#element_304_content .ww_button_text{vertical-align:middle;text-align:center;}#element_304 {z-index: 12;}#element_282_content{opacity: 1;background-size: auto;background-attachment: scroll;background-image: linear-gradient(0deg, rgb(0, 0, 255) 0%, rgb(168, 168, 255) 100%);background-repeat: repeat;background-position: left top;border-radius: 5.0px; border: none;box-shadow: none;}#element_282 {z-index: 11;}#element_281_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_281 {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_635_content{opacity: 1;background: none;border-radius: 0.0px; border: none;box-shadow: none;}#element_635 {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: 52.0px;height: 52.0px;left: 134.0px;right: auto;top: 169.0px;}#element_226_content{padding: 0px}#element_225{width: 360.0px;height: 58.0px;left: -20.0px;right: auto;top: 101.0px;}#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: 38.5px;right: auto;top: 0.0px;}#element_224_content{padding: 0px}#element_7{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 223.0px;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_1008{width: 320.0px;height: 250.0px;left: 0.0px;right: auto;top: 3967.0px;}#element_1008_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_875{width: 300.0px;height: 367.0px;left: 10.0px;right: auto;top: 3024.0px;}#element_875_content{padding: 0px}#element_874{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 468.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 3426.0px;}#element_874_content{padding-left: 3.0px; padding-right: 3.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_873{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 136.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 769.0px;}#element_873_content{padding-left: 2.0px; padding-right: 2.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_777{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 124.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 4291.0px;}#element_777_content{padding-left: 3.0px; padding-right: 3.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_718{width: 300.0px;height: 1715.0px;left: 10.0px;right: auto;top: 4427.0px;}#element_718_content{padding: 0px}#element_669{width: 320.0px;height: 360.0px;left: 0.0px;right: auto;top: 1664.0px;}#element_669_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_622{width: 300.0px;height: 341.0px;left: 10.0px;right: auto;top: 2132.0px;}#element_622_content{padding: 0px}#element_621{width: 300.0px;height: 360.0px;left: 10.0px;right: auto;top: 1265.0px;}#element_621_content{padding: 0px}#element_616{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 465.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 2507.0px;}#element_616_content{padding-left: 3.0px; padding-right: 3.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_615{visibility: hidden;}#element_615{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 376.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 2010.0px;}#element_615_content{padding-left: 3.0px; padding-right: 3.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_421{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 246.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 498.0px;}#element_421_content{padding-left: 7.0px; padding-right: 7.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_304{visibility: hidden;}#element_304{width: 164.0px;height: 54.0px;left: 78.0px;right: auto;top: 1744.0px;}#element_304_content{padding: 0px}#element_304 .ww_button_text_wrapper{padding: 0px}#element_282{visibility: hidden;}#element_282{width: 247.0px;height: 125.0px;left: 36.0px;right: auto;top: 1710.0px;}#element_282_content{padding: 0px}#element_281{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 289.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 922.0px;}#element_281_content{padding-left: 3.0px; padding-right: 3.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_635{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 510.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 220.0px;}#element_635_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: 52.0px;height: 52.0px;left: 214.0px;right: auto;top: 101.0px;}#element_226_content{padding: 0px}#element_225{width: 172.0px;height: 90.0px;left: 280.5px;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: 27.5px;right: auto;top: 0.0px;}#element_224_content{padding: 0px}#element_7{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 155.0px;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_1008{width: 460.0px;height: 178.0px;left: 10.0px;right: auto;top: 3574.0px;}#element_1008_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_875{width: 460.0px;height: 367.0px;left: 10.0px;right: auto;top: 2704.0px;}#element_875_content{padding: 0px}#element_874{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 388.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 3115.0px;}#element_874_content{padding-left: 4.0px; padding-right: 4.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_873{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: 701.0px;}#element_873_content{padding-left: 3.0px; padding-right: 3.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_777{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 154.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 3817.0px;}#element_777_content{padding-left: 4.0px; padding-right: 4.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_718{width: 460.0px;height: 1715.0px;left: 20.0px;right: auto;top: 3985.0px;}#element_718_content{padding: 0px}#element_669{visibility: hidden;}#element_669{width: 320.0px;height: 418.0px;left: 0.0px;right: auto;top: 1664.0px;}#element_669_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_622{width: 460.0px;height: 341.0px;left: 10.0px;right: auto;top: 1939.0px;}#element_622_content{padding: 0px}#element_621{width: 460.0px;height: 360.0px;left: 10.0px;right: auto;top: 1070.0px;}#element_621_content{padding: 0px}#element_616{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 343.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 2325.0px;}#element_616_content{padding-left: 4.0px; padding-right: 4.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_615{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 217.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 1671.0px;}#element_615_content{padding-left: 4.0px; padding-right: 4.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_421{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 246.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 378.0px;}#element_421_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_304{width: 164.0px;height: 54.0px;left: 158.0px;right: auto;top: 1526.0px;}#element_304_content{padding: 0px}#element_304 .ww_button_text_wrapper{padding: 0px}#element_282{width: 247.0px;height: 125.0px;left: 116.0px;right: auto;top: 1492.0px;}#element_282_content{padding: 0px}#element_281{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 205.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 814.0px;}#element_281_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_635{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 510.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 152.0px;}#element_635_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: 891.0px;height: 44.0px;left: 235.0px;right: auto;top: 40.0px;}#element_226_content{padding: 0px}#element_225{width: 186.0px;height: 71.0px;left: 1028.0px;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: 40.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 4179.0px;}#footerGroup_pl_content{padding: 0px}#element_1008{width: 1152.0px;height: 106.0px;left: 48.0px;right: auto;top: 2200.0px;}#element_1008_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_875{width: 483.0px;height: 367.0px;left: 48.0px;right: auto;top: 1788.0px;}#element_875_content{padding: 0px}#element_874{width: 572.0px;height: 346.0px;left: 610.0px;right: auto;top: 1788.0px;}#element_874_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_873{width: 730.0px;height: 49.0px;left: 28.0px;right: auto;top: 650.0px;}#element_873_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_777{width: 560.0px;height: 67.0px;left: 342.0px;right: auto;top: 2374.0px;}#element_777_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_718{width: 856.0px;height: 1715.0px;left: 194.0px;right: auto;top: 2464.0px;}#element_718_content{padding: 0px}#element_669{visibility: hidden;}#element_669{width: 320.0px;height: 418.0px;left: 0.0px;right: auto;top: 1664.0px;}#element_669_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_622{width: 550.0px;height: 341.0px;left: 627.0px;right: auto;top: 1380.0px;}#element_622_content{padding: 0px}#element_621{width: 535.0px;height: 360.0px;left: 26.0px;right: auto;top: 947.0px;}#element_621_content{padding: 0px}#element_616{width: 566.0px;height: 301.0px;left: 26.0px;right: auto;top: 1392.0px;}#element_616_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_615{width: 560.0px;height: 217.0px;left: 601.0px;right: auto;top: 1013.0px;}#element_615_content{padding-left: 5.0px; padding-right: 5.0px; padding-top: 5.0px; padding-bottom: 5.0px;}#element_421{width: 362.0px;height: 246.0px;left: -14.0px;right: auto;top: 117.0px;}#element_421_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_304{width: 164.0px;height: 54.0px;left: 943.0px;right: auto;top: 747.0px;}#element_304_content{padding: 0px}#element_304 .ww_button_text_wrapper{padding: 0px}#element_282{width: 247.0px;height: 125.0px;left: 901.0px;right: auto;top: 713.0px;}#element_282_content{padding: 0px}#element_281{width: 781.0px;height: 142.0px;left: 28.0px;right: auto;top: 727.0px;}#element_281_content{padding-left: 8.0px; padding-right: 8.0px; padding-top: 8.0px; padding-bottom: 8.0px;}#element_635{width: calc(100vw - var(--vertical-scrollbar-width, 0px));height: 510.0px;left: calc(-50vw + 50% + calc(var(--vertical-scrollbar-width, 0px)/2));right: auto;top: 91.0px;}#element_635_content{padding: 0px}#element_57{width: 611.0px;height: 40.0px;left: 295.0px;right: auto;top: 4199.0px;}#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: 4199.0px;}#element_54_content{padding: 0px}#footerGroup_pl{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: 4179.0px;}#footerGroup_pl_content{padding: 0px}}