body {
    background: #101318;
    text-shadow: 0 0 0.4vw currentColor;
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.wrapper {
    position: relative;
    overflow: hidden;
    padding: 2%;
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.wrapper>input {
    -webkit-appearance: none;
    position: fixed;
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    height: 100%;
    visibility: hidden;
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}

.periodic-table {
    display: grid;
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}

.element {
    position: relative;
    font-size: 0.5vw;
    padding-bottom: 100%;
    cursor: pointer;
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    transition: 500ms;
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.element .overlay {
    position: fixed;
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.element .square {
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    height: 100%;
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    display: flex;
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.element .atomic-number {
    position: absolute;
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.element .label {
    text-align: center;
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.element .symbol {
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.element .name {
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.element .atomic-mass {
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.element .atomic-weight {
    position: absolute;
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.element .model {
    display: none;
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    left: -500%;
    right: -500%;
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.element .model .orbital {
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.element .model .orbital:nth-child(1) {
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.element .model .orbital:nth-child(2) {
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.element .model .orbital:nth-child(3) {
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.element .model .orbital:nth-child(4) {
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.element .model .orbital:nth-child(5) {
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.element .model .orbital:nth-child(6) {
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.element .model .orbital:nth-child(7) {
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.element .model .orbital .electron {
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.element .model .orbital .electron::before {
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.element .model .orbital .electron:nth-last-child(30):first-child~.electron:nth-child(22) {
    transform: rotate(252deg);
}

.element .model .orbital .electron:nth-last-child(30):first-child~.electron:nth-child(23) {
    transform: rotate(264deg);
}

.element .model .orbital .electron:nth-last-child(30):first-child~.electron:nth-child(24) {
    transform: rotate(276deg);
}

.element .model .orbital .electron:nth-last-child(30):first-child~.electron:nth-child(25) {
    transform: rotate(288deg);
}

.element .model .orbital .electron:nth-last-child(30):first-child~.electron:nth-child(26) {
    transform: rotate(300deg);
}

.element .model .orbital .electron:nth-last-child(30):first-child~.electron:nth-child(27) {
    transform: rotate(312deg);
}

.element .model .orbital .electron:nth-last-child(30):first-child~.electron:nth-child(28) {
    transform: rotate(324deg);
}

.element .model .orbital .electron:nth-last-child(30):first-child~.electron:nth-child(29) {
    transform: rotate(336deg);
}

.element .model .orbital .electron:nth-last-child(30):first-child~.electron:nth-child(30) {
    transform: rotate(348deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(1) {
    transform: rotate(0deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(2) {
    transform: rotate(11.6129032258deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(3) {
    transform: rotate(23.2258064516deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(4) {
    transform: rotate(34.8387096774deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(5) {
    transform: rotate(46.4516129032deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(6) {
    transform: rotate(58.064516129deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(7) {
    transform: rotate(69.6774193548deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(8) {
    transform: rotate(81.2903225806deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(9) {
    transform: rotate(92.9032258065deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(10) {
    transform: rotate(104.5161290323deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(11) {
    transform: rotate(116.1290322581deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(12) {
    transform: rotate(127.7419354839deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(13) {
    transform: rotate(139.3548387097deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(14) {
    transform: rotate(150.9677419355deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(15) {
    transform: rotate(162.5806451613deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(16) {
    transform: rotate(174.1935483871deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(17) {
    transform: rotate(185.8064516129deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(18) {
    transform: rotate(197.4193548387deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(19) {
    transform: rotate(209.0322580645deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(20) {
    transform: rotate(220.6451612903deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(21) {
    transform: rotate(232.2580645161deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(22) {
    transform: rotate(243.8709677419deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(23) {
    transform: rotate(255.4838709677deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(24) {
    transform: rotate(267.0967741935deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(25) {
    transform: rotate(278.7096774194deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(26) {
    transform: rotate(290.3225806452deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(27) {
    transform: rotate(301.935483871deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(28) {
    transform: rotate(313.5483870968deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(29) {
    transform: rotate(325.1612903226deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(30) {
    transform: rotate(336.7741935484deg);
}

.element .model .orbital .electron:nth-last-child(31):first-child~.electron:nth-child(31) {
    transform: rotate(348.3870967742deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(1) {
    transform: rotate(0deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(2) {
    transform: rotate(11.25deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(3) {
    transform: rotate(22.5deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(4) {
    transform: rotate(33.75deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(5) {
    transform: rotate(45deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(6) {
    transform: rotate(56.25deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(7) {
    transform: rotate(67.5deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(8) {
    transform: rotate(78.75deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(9) {
    transform: rotate(90deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(10) {
    transform: rotate(101.25deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(11) {
    transform: rotate(112.5deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(12) {
    transform: rotate(123.75deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(13) {
    transform: rotate(135deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(14) {
    transform: rotate(146.25deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(15) {
    transform: rotate(157.5deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(16) {
    transform: rotate(168.75deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(17) {
    transform: rotate(180deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(18) {
    transform: rotate(191.25deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(19) {
    transform: rotate(202.5deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(20) {
    transform: rotate(213.75deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(21) {
    transform: rotate(225deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(22) {
    transform: rotate(236.25deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(23) {
    transform: rotate(247.5deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(24) {
    transform: rotate(258.75deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(25) {
    transform: rotate(270deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(26) {
    transform: rotate(281.25deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(27) {
    transform: rotate(292.5deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(28) {
    transform: rotate(303.75deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(29) {
    transform: rotate(315deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(30) {
    transform: rotate(326.25deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(31) {
    transform: rotate(337.5deg);
}

.element .model .orbital .electron:nth-last-child(32):first-child~.electron:nth-child(32) {
    transform: rotate(348.75deg);
}

.element input[type="radio"] {
    -webkit-appearance: none;
    position: absolute;
    z-index: 2;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    outline: none;
}

.element input[type="radio"].activate:hover~.square {
    z-index: 2;
    transform: scale(1.35);
    transition-delay: 0ms;
    outline: none;
    pointer-events: none;
}

.element input[type="radio"].activate:checked+input[type="radio"].deactivate {
    z-index: 3;
    pointer-events: all;
}

.element input[type="radio"].activate:checked~.overlay {
    opacity: 0.75;
}

.element input[type="radio"].activate:checked~.square {
    z-index: 3;
    transform: scale(3);
    transition-duration: 500ms, 0ms, 200ms, 200ms, 200ms, 200ms;
    transition-delay: 0ms;
    outline: none;
    cursor: auto;
}

.element input[type="radio"].activate:checked~.square .label {
    transition-duration: 500ms;
    transform: scale(0.75);
}

.element input[type="radio"].activate:checked~.square .atomic-weight {
    opacity: 1;
    transition: 500ms;
}

.element input[type="radio"].activate:checked~.square .model {
    display: block;
    animation: fade-in;
    animation-duration: 1s;
}

.element input[type="radio"].activate:checked~.square .orbital {
    animation-name: rotate;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}

.element input[type="radio"].deactivate {
    position: fixed;
    display: block;
    z-index: 1;
    opacity: 0;
    pointer-events: none;
}

.element input[type="radio"].deactivate:checked~.square {
    z-index: 1;
}

.placeholder {
    position: relative;
    z-index: -1;
    font-size: 1vw;
    padding-bottom: 100%;
    color: #fff;
    transition: 500ms;
}

.placeholder .square {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    border: 2px solid;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0.5;
}

.gap {
    position: relative;
    padding-bottom: 100%;
    transition: 500ms;
}

.gap::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    width: 50%;
    height: calc(200% + 5px * 2 - 4px);
    border-width: 0 0 2px 2px;
    border-style: solid;
    margin-left: -1px;
    color: #fff;
    opacity: 0.2;
}

.alkali-metal {
    color: #ecbe59;
}

.alkaline-earth-metal {
    color: #dee955;
}

.lanthanoid {
    color: #ec77a3;
}

.actinoid {
    color: #c686cc;
}

.transition-metal {
    color: #fd8572;
}

.post-transition-metal {
    color: #4cddf3;
}

.metalloid {
    color: #3aefb6;
}

.other-nonmetal {
    color: #52ee61;
}

.noble-gas {
    color: #759fff;
}

.unknown {
    color: #cccccc;
}

.r1 {
    grid-row: 1;
}

.r2 {
    grid-row: 2;
}

.r3 {
    grid-row: 3;
}

.r4 {
    grid-row: 4;
}

.r5 {
    grid-row: 5;
}

.r6 {
    grid-row: 6;
}

.r7 {
    grid-row: 7;
}

.r8 {
    grid-row: 8;
}

.r9 {
    grid-row: 9;
}

.r10 {
    grid-row: 10;
}

.c1 {
    grid-column: 1;
}

.c2 {
    grid-column: 2;
}

.c3 {
    grid-column: 3;
}

.c4 {
    grid-column: 4;
}

.c5 {
    grid-column: 5;
}

.c6 {
    grid-column: 6;
}

.c7 {
    grid-column: 7;
}

.c8 {
    grid-column: 8;
}

.c9 {
    grid-column: 9;
}

.c10 {
    grid-column: 10;
}

.c11 {
    grid-column: 11;
}

.c12 {
    grid-column: 12;
}

.c13 {
    grid-column: 13;
}

.c14 {
    grid-column: 14;
}

.c15 {
    grid-column: 15;
}

.c16 {
    grid-column: 16;
}

.c17 {
    grid-column: 17;
}

.c18 {
    grid-column: 18;
}

.r1 input[type="radio"].activate:checked~.square {
    top: 100%;
}

.r10 input[type="radio"].activate:checked~.square {
    top: -100%;
}

.c1 input[type="radio"].activate:checked~.square {
    left: 100%;
}

.c18 input[type="radio"].activate:checked~.square {
    left: -100%;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes noise {
    0%,
    100% {
        background-position: 0 0;
    }
    10% {
        background-position: -5% -10%;
    }
    20% {
        background-position: -15% 5%;
    }
    30% {
        background-position: 7% -25%;
    }
    40% {
        background-position: 20% 25%;
    }
    50% {
        background-position: -25% 10%;
    }
    60% {
        background-position: 15% 5%;
    }
    70% {
        background-position: 0% 15%;
    }
    80% {
        background-position: 25% 35%;
    }
    90% {
        background-position: -10% 10%;
    }
}

.key {
    position: relative;
    z-index: 1;
    grid-row: 1;
    grid-column-start: 3;
    grid-column-end: 17;
    font-size: 0.8vw;
    line-height: 1.5;
    display: flex;
    align-items: center;
    pointer-events: none;
    user-select: none;
}

.key .row {
    position: relative;
    display: flex;
    width: 100%;
    justify-content: space-between;
}

.key .row label {
    opacity: 0.85;
    cursor: pointer;
    transition: 120ms;
    pointer-events: all;
}

.key .row label:hover {
    opacity: 1 !important;
}

#alkali-metals:checked~.periodic-table .element:not(.alkali-metal),
#alkaline-earth-metals:checked~.periodic-table .element:not(.alkaline-earth-metal),
#lanthanoids:checked~.periodic-table .element:not(.lanthanoid),
#actinoids:checked~.periodic-table .element:not(.actinoid),
#transition-metals:checked~.periodic-table .element:not(.transition-metal),
#post-transition-metals:checked~.periodic-table .element:not(.post-transition-metal),
#metalloids:checked~.periodic-table .element:not(.metalloid),
#other-nonmetals:checked~.periodic-table .element:not(.other-nonmetal),
#noble-gasses:checked~.periodic-table .element:not(.noble-gas),
#unknown:checked~.periodic-table .element:not(.unknown),
#alkali-metals:checked~.periodic-table .placeholder,
#alkaline-earth-metals:checked~.periodic-table .placeholder,
#lanthanoids:checked~.periodic-table .placeholder:not(.lanthanoid),
#actinoids:checked~.periodic-table .placeholder:not(.actinoid),
#transition-metals:checked~.periodic-table .placeholder,
#post-transition-metals:checked~.periodic-table .placeholder,
#metalloids:checked~.periodic-table .placeholder,
#other-nonmetals:checked~.periodic-table .placeholder,
#noble-gasses:checked~.periodic-table .placeholder,
#unknown:checked~.periodic-table .placeholder {
    opacity: 0.15;
    pointer-events: none;
}

#alkali-metals:checked~.periodic-table .key label:not(.alkali-metal),
#alkaline-earth-metals:checked~.periodic-table .key label:not(.alkaline-earth-metal),
#lanthanoids:checked~.periodic-table .key label:not(.lanthanoid),
#actinoids:checked~.periodic-table .key label:not(.actinoid),
#transition-metals:checked~.periodic-table .key label:not(.transition-metal),
#post-transition-metals:checked~.periodic-table .key label:not(.post-transition-metal),
#metalloids:checked~.periodic-table .key label:not(.metalloid),
#other-nonmetals:checked~.periodic-table .key label:not(.other-nonmetal),
#noble-gasses:checked~.periodic-table .key label:not(.noble-gas),
#unknown:checked~.periodic-table .key label:not(.unknown) {
    opacity: 0.65;
}

.category-toggle:not(#lanthanoids):not(#actinoids):checked~.periodic-table .gap {
    opacity: 0.5;
}

.category-toggle:checked~.category-cancel {
    visibility: visible;
    pointer-events: all;
    cursor: pointer;
}