.periodic:after {
  clear: both;
  content: "";
  display: table;
}
.empty:hover {
  box-shadow: none;
  transform: none;
}

.type-1 {
  background: #ffc78e;
}

.type-2 {
  background:rgb(255, 224, 141);
}

.type-3 {
  background: #fffa8a;
}

.type-4 {
  background: #ecff8b ;
}

.type-5 {
  background: #b6ff8a ;
}

.type-6 {
  background: #8fff9b;
}

.type-7 {
  background: #8cff9a;
}

.type-8 {
  background: #ab8fff;
}

.type-9 {
  background:#fb8dff ;
}
.type-10 {
  background: #8edeff;
}
.type-11 {
  background:#c8c8c8 ;
}
.type-12 {
  background: #76a2d4  ;
}


.legend {
    position: absolute;
    top: 3%;
    left: 34%;
    padding: 0px;
    font-size: 13px;
}

.legend:after {
  content: "";
  display: table;
  clear: table;
}
li{
   list-style: none;
}
.legend ul {
  float: none;
}

.legend .list-2 {
  margin-left: 10px;
  width: 200px;
}
.legend .list-3 {
  margin-left: 0px;
  width: 200px;
  padding-left: 0;
}

.legend .list-1 li {
  margin: 7px 0;
}

.legend .list-1 li:first-of-type {
  margin-top: 2px;
}

.legend .list-1 span {
  border: 1px solid black;
  display: inline-block;
  padding: 3px;
  width: 20px;
  text-align: center;
  height: 20px;
  margin-right: 5px;
}

.legend .list-2 li {
  margin: 2px;
  padding: 3px;
  float: none;
  width: 70%;
  cursor: pointer;
}
.legend .list-3 li {
  margin: 2px;
  padding: 3px;
  float: none;
  width: 70%;
  cursor: pointer;
}
body {
  font-family: Arial;
  -webkit-transform: translateZ(0);
  -ms-transform: translateZ(0);
  transform: translateZ(0);
  padding: 1%;
}
.periodic {
  position: relative;
  height: 200px;
  margin-right: -1px;
  text-shadow: none;
}
.periodic-row {
  clear: both;
  height: 10%;
}
.cell {
  float: left;
  position: relative;
  width: 5.55%;
  height: 100%;
}
.cell1 {
    float: left;
    position: relative;
    width: 150%;
    height: 150%;
    zoom: 150%;
}
.cell2 {
    float: left;
    position: relative;
    width: 330%;
    height: 150%;
    zoom: 150%;
}
.element {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 1px;
  right: 1px;
  box-sizing: border-box;
  box-shadow: 0px 0px 4px rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(0, 0, 0, 0.05);
  text-align: center;
  cursor: default;
  pointer-events: none;
  -webkit-transition: all 200ms ease;
  transition: all 200ms ease;
  background-color: rgba(0, 128, 128, 0.6);
}
.element1 {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 1px;
  right: 1px;
  box-sizing: border-box;
  box-shadow: 0px 0px 4px rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(0, 0, 0, 0.05);
  text-align: center;
  cursor: default;
  pointer-events: none;
  -webkit-transition: all 200ms ease;
  transition: all 200ms ease;
  background-color: rgba(0, 128, 128, 0.6);
}
.cell:hover .element {
  border-color: rgba(0, 0, 0, 0.1);
  -webkit-transform: scale(3, 3);
  -ms-transform: scale(3, 3);
  transform: scale(3, 3);
  z-index: 1;
  background-color: rgba(0, 128, 128, 0.9);
}
.at_num,
.at_details, 
.masa,
.ener,
.elec,
.estad {
  position: absolute;
  font-size: 4px;
  color: #000;
  opacity: 0;
}
.at_num {
  top: 4px;
  right: 5px;
}
.masa {
   top: 4px;
   left: 5px;
}
.ener{
   top: 13px;
   left: 5px;
}
.elec{
  top: 13px;
  right: 12px;
}
.estad { 
 align-self: flex-end;
  top: 20px;
  right: 5px;
}
.estad li {
 list-style: none; 
}
.symbol {
  position: absolute;
  top: 50%;
  left: 0px;
  right: 0px;
  margin-top: -4px;
  font-size: 9px;
  line-height: 1;
  height: 9px;
  color: #000;
}
.at_details {
  bottom: 4px;
  top: 73%;
  left: 0px;
  right: 0px;
}
.cell:nth-child(-n+2) .element{
  background-color: rgb(255, 224, 141);
}
.cell:nth-child(-n+2):hover .element {
  background-color: rgb(255, 224, 141);
}
.periodic-row:nth-child(-n+6) .cell:nth-child(18) .element {
  background-color: #8edeff;
}
.periodic-row:nth-child(-n+6) .cell:nth-child(18):hover .element {
  background-color: #8edeff;
}
.periodic-row:nth-child(n+2) .cell:nth-child(1) .element {
  background-color: #ffc78e;;
}
.periodic-row:nth-child(n+2) .cell:nth-child(1):hover .element {
  background-color: #ffc78e;;
}
.periodic-row:nth-child(1) .cell:nth-child(1) .element {
  background-color: #ab8fff;
}
.periodic-row:nth-child(1) .cell:nth-child(1):hover .element {
  background-color: #ab8fff;
}
.periodic-row:nth-child(-n+7) .cell:nth-child(3) .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(4) .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(5) .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(6) .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(7) .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(8) .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(9) .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(10) .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(11) .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(12) .element {
  background-color: #ecff8b;;
}
.periodic-row:nth-child(-n+7) .cell:nth-child(3):hover .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(4):hover .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(5):hover .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(6):hover .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(7):hover .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(8):hover .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(9):hover .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(10):hover .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(11):hover .element,
.periodic-row:nth-child(-n+7) .cell:nth-child(12):hover .element  {
  background-color: #ecff8b;;
}
.periodic-row:nth-child(2) .cell:nth-child(13) .element,
.periodic-row:nth-child(3) .cell:nth-child(14) .element,
.periodic-row:nth-child(4) .cell:nth-child(14) .element,
.periodic-row:nth-child(4) .cell:nth-child(15) .element,
.periodic-row:nth-child(5) .cell:nth-child(15) .element,
.periodic-row:nth-child(5) .cell:nth-child(16) .element,
.periodic-row:nth-child(6) .cell:nth-child(16) .element {
  background-color: #8fff9b;
}
.periodic-row:nth-child(2) .cell:nth-child(13):hover .element,
.periodic-row:nth-child(3) .cell:nth-child(14):hover .element,
.periodic-row:nth-child(4) .cell:nth-child(14):hover .element,
.periodic-row:nth-child(4) .cell:nth-child(15):hover .element,
.periodic-row:nth-child(5) .cell:nth-child(15):hover .element,
.periodic-row:nth-child(5) .cell:nth-child(16):hover .element,
.periodic-row:nth-child(6) .cell:nth-child(16):hover .element {
  background-color: #8fff9b;
}
.periodic-row:nth-child(2) .cell:nth-child(14) .element,
.periodic-row:nth-child(2) .cell:nth-child(15) .element,
.periodic-row:nth-child(3) .cell:nth-child(15) .element,
.periodic-row:nth-child(2) .cell:nth-child(16) .element,
.periodic-row:nth-child(3) .cell:nth-child(16) .element,
.periodic-row:nth-child(4) .cell:nth-child(16) .element{
    background-color: #ab8fff;
}
.periodic-row:nth-child(2) .cell:nth-child(14):hover .element,
.periodic-row:nth-child(2) .cell:nth-child(15):hover .element,
.periodic-row:nth-child(3) .cell:nth-child(15):hover .element,
.periodic-row:nth-child(2) .cell:nth-child(16):hover .element,
.periodic-row:nth-child(3) .cell:nth-child(16):hover .element,
.periodic-row:nth-child(4) .cell:nth-child(16):hover .element{
    background-color: #ab8fff;
}
.periodic-row:nth-child(-n+6) .cell:nth-child(17) .element{
      background-color: #fb8dff;
}
.periodic-row:nth-child(3) .cell:nth-child(13) .element,
.periodic-row:nth-child(4) .cell:nth-child(13) .element,
.periodic-row:nth-child(5) .cell:nth-child(13) .element,
.periodic-row:nth-child(6) .cell:nth-child(13) .element,
.periodic-row:nth-child(5) .cell:nth-child(14) .element,
.periodic-row:nth-child(6) .cell:nth-child(14) .element,
.periodic-row:nth-child(6) .cell:nth-child(15) .element{
    background-color:#fffa8a;
}
.periodic-row:nth-child(3) .cell:nth-child(13):hover .element,
.periodic-row:nth-child(4) .cell:nth-child(13):hover .element,
.periodic-row:nth-child(5) .cell:nth-child(13):hover .element,
.periodic-row:nth-child(6) .cell:nth-child(13):hover .element,
.periodic-row:nth-child(5) .cell:nth-child(14):hover .element,
.periodic-row:nth-child(6) .cell:nth-child(14):hover .element,
.periodic-row:nth-child(6) .cell:nth-child(15):hover .element{
    background-color:#fffa8a;
}
.periodic-row:nth-child(7) .cell:nth-child(13) .element,
.periodic-row:nth-child(7) .cell:nth-child(14) .element,
.periodic-row:nth-child(7) .cell:nth-child(15) .element,
.periodic-row:nth-child(7) .cell:nth-child(16) .element,
.periodic-row:nth-child(7) .cell:nth-child(17) .element,
.periodic-row:nth-child(7) .cell:nth-child(18) .element{
    background-color:#c8c8c8;
}
.periodic-row:nth-child(7) .cell:nth-child(13):hover .element,
.periodic-row:nth-child(7) .cell:nth-child(14):hover .element,
.periodic-row:nth-child(7) .cell:nth-child(15):hover .element,
.periodic-row:nth-child(7) .cell:nth-child(16):hover .element,
.periodic-row:nth-child(7) .cell:nth-child(17):hover .element,
.periodic-row:nth-child(7) .cell:nth-child(18):hover .element{
    background-color:#c8c8c8;
}
.periodic-row:nth-child(9) .cell:nth-child(4) .element,
.periodic-row:nth-child(9) .cell:nth-child(5) .element,
.periodic-row:nth-child(9) .cell:nth-child(6) .element,
.periodic-row:nth-child(9) .cell:nth-child(7) .element,
.periodic-row:nth-child(9) .cell:nth-child(8) .element,
.periodic-row:nth-child(9) .cell:nth-child(9) .element,
.periodic-row:nth-child(9) .cell:nth-child(10) .element,
.periodic-row:nth-child(9) .cell:nth-child(11) .element,
.periodic-row:nth-child(9) .cell:nth-child(12) .element,
.periodic-row:nth-child(9) .cell:nth-child(13) .element,
.periodic-row:nth-child(9) .cell:nth-child(14) .element,
.periodic-row:nth-child(9) .cell:nth-child(15) .element,
.periodic-row:nth-child(9) .cell:nth-child(16) .element,
.periodic-row:nth-child(9) .cell:nth-child(17) .element,
.periodic-row:nth-child(9) .cell:nth-child(18) .element{
    background-color:#d0ff8b;
}
.periodic-row:nth-child(9) .cell:nth-child(4):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(5):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(6):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(7):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(8):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(9):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(10):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(11):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(12):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(13):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(14):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(15):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(16):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(17):hover .element,
.periodic-row:nth-child(9) .cell:nth-child(18):hover .element{
    background-color:#d0ff8b;
}
.periodic-row:nth-child(10) .cell:nth-child(4) .element,
.periodic-row:nth-child(10) .cell:nth-child(5) .element,
.periodic-row:nth-child(10) .cell:nth-child(6) .element,
.periodic-row:nth-child(10) .cell:nth-child(7) .element,
.periodic-row:nth-child(10) .cell:nth-child(8) .element,
.periodic-row:nth-child(10) .cell:nth-child(9) .element,
.periodic-row:nth-child(10) .cell:nth-child(10) .element,
.periodic-row:nth-child(10) .cell:nth-child(11) .element,
.periodic-row:nth-child(10) .cell:nth-child(12) .element,
.periodic-row:nth-child(10) .cell:nth-child(13) .element,
.periodic-row:nth-child(10) .cell:nth-child(14) .element,
.periodic-row:nth-child(10) .cell:nth-child(15) .element,
.periodic-row:nth-child(10) .cell:nth-child(16) .element,
.periodic-row:nth-child(10) .cell:nth-child(17) .element,
.periodic-row:nth-child(10) .cell:nth-child(18) .element{
    background-color:#b6ff8a;
}
.periodic-row:nth-child(10) .cell:nth-child(4):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(5):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(6):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(7):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(8):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(9):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(10):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(11):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(12):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(13):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(14):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(15):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(16):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(17):hover .element,
.periodic-row:nth-child(10) .cell:nth-child(18):hover .element{
    background-color:#b6ff8a;
}
.cell:nth-child(1) .element {
  -webkit-transform-origin: 0 50%;
  -ms-transform-origin: 0 50%;
  transform-origin: 0 50%;
}
.cell:nth-child(18) .element {
  -webkit-transform-origin: 100% 50%;
  -ms-transform-origin: 100% 50%;
  transform-origin: 100% 50%;
}
.periodic-row:nth-child(10) .cell .element {
  -webkit-transform-origin: 50% 100%;
  -ms-transform-origin: 50% 100%;
  transform-origin: 50% 100%;
}
.periodic-row:nth-child(1) .cell:nth-child(1) .element {
  -webkit-transform-origin: 0 0;
  -ms-transform-origin: 0 0;
  transform-origin: 0 0;
}
.periodic-row:nth-child(1) .cell:nth-child(18) .element {
  -webkit-transform-origin: 100% 0;
  -ms-transform-origin: 100% 0;
  transform-origin: 100% 0;
}
.periodic-row:nth-child(10) .cell:nth-child(18) .element {
  -webkit-transform-origin: 100% 100%;
  -ms-transform-origin: 100% 100%;
  transform-origin: 100% 100%;
}
@media (min-width: 600px) {
  .cell2 {
    float: none;
    position: relative;
    width: 460%;
    height: 150%;
}
  .periodic {
    height: 460px;
    margin-right: -2px;
  }
  .element {
    right: 2px;
    bottom: 2px;
  }
  .at_details, .ener,.elec{
    font-size: 4px;
    opacity: 1;
  }
  .estad {
    top: 12px;
    font-size: 2.5px;
    opacity: 1;
}
.ener{
   top: 13px;
   left: 5px;
}
.elec{
  top: 13px;
  right: 12px;
}
  .masa{
    font-size: 5px;
    opacity: 1;
   }
   .at_num, .at_num1{
     font-size: 6px;
    opacity: 1;
   }
  .symbol {
    margin-top: -13px;
    font-size: 14px;
    font-weight: bold;
    line-height: 30px;
    height: 30px;
    color: #000;
    text-shadow: 0 0 4px rgba(255, 255, 255, 0.5);
  }
  .legend {
    position: absolute;
    top: 1%;
    left: 34%;
    padding: 0px;
    font-size: 8px;
    width: 230px;
}
.legend .list-2 {
    margin-left: 10px;
    width: 106px;
    padding-left: 0px;
}
.legend .list-3 {
    margin-left: 0px;
    width: 107px;
    padding-left: 0;
}
}
@media (min-width: 800px) {
  .periodic {
    height: 540px;
  }
  .symbol {
    font-size: 18px;
  }
}
@media (min-width: 992px) {
  .periodic {
    height: 680px;
  }
  .at_details, .ener, .elec, .estad {
    font-size: 5px;
  }
  .estad {
    top: 20px;
    opacity: 1;
}
  .masa{
    font-size: 6px;
  }
  .at_num, .at_num1{
     font-size: 7px;
   }
  .symbol {
    font-size: 20px;
  }
}
@media (min-width: 1200px) {
  .periodic {
    height: 800px;
  }
  .at_details, .ener, .elec, .estad {
    font-size: 6px;
  }
  .masa{
    font-size: 7px;
  }
  .at_num, .at_num1{
     font-size: 10px;
   }
  .symbol {
    font-size: 30px;
  }
.legend {
    position: absolute;
    top: 3%;
    left: 36%;
    padding: 0px;
    font-size: 13px;
        width: 470px;
}

.legend:after {
  content:"";
  display: table;
  clear: table;
}
li{
   list-style: none;
}
.legend ul {
  float: left;
}

.legend .list-2 {
  margin-left: 10px;
  width: 200px;
}
.legend .list-3 {
  margin-left: 0px;
  width: 200px;
  padding-left: 0;
}

.legend .list-1 li {
  margin: 7px 0;
}

.legend .list-1 li:first-of-type {
  margin-top: 2px;
}

.legend .list-1 span {
  border: 1px solid black;
  display: inline-block;
  padding: 3px;
  width: 20px;
  text-align: center;
  height: 20px;
  margin-right: 5px;
}

.legend .list-2 li {
  margin: 2px;
  padding: 3px;
  float: left;
  width: 70%;
  cursor: pointer;
}
.legend .list-3 li {
  margin: 2px;
  padding: 3px;
  float: left;
  width: 70%;
  cursor: pointer;
}
}