* { box-sizing: border-box; }

body {
  font-family: sans-serif;
}

/* ---- button ---- */

.button {
  display: inline-block;
  padding: 0.5em 1.0em;
  background: #EEE;
  border: none;
  border-radius: 7px;
  background-image: linear-gradient( to bottom, hsla(0, 0%, 0%, 0), hsla(0, 0%, 0%, 0.2) );
  color: #222;
  font-family: sans-serif;
  font-size: 16px;
  text-shadow: 0 1px white;
  cursor: pointer;
}

.button:hover {
  background-color: #8CF;
  text-shadow: 0 1px hsla(0, 0%, 100%, 0.5);
  color: #222;
}

.button:active,
.button.is-checked {
  background-color: #28F;
}

.button.is-checked {
  color: white;
  text-shadow: 0 -1px hsla(0, 0%, 0%, 0.8);
}

.button:active {
  box-shadow: inset 0 1px 10px hsla(0, 0%, 0%, 0.8);
}

/* ---- button-group ---- */

.button-group {
  margin-bottom: 20px;
}

.button-group:after {
  content: '';
  display: block;
  clear: both;
}

.button-group .button {
  float: left;
  border-radius: 0;
  margin-left: 0;
  margin-right: 1px;
}

.button-group .button:first-child { border-radius: 0.5em 0 0 0.5em; }
.button-group .button:last-child { border-radius: 0 0.5em 0.5em 0; }

/* ---- isotope ---- */

.grid {
  border: 0px solid #333;
  overflow-y: hidden;
}

/* clear fix */
.grid:after {
  content: '';
  display: block;
  clear: both;
}

/* ---- .element-item ---- */

.element-item {
    position: relative;
    float: left;
    width: 250px;
    height: auto;
    margin: 5px;
    padding: 10px;
    background: #fbfbfb;
    color: #262524;
    left: 0;
    top: 2px;
}

.element-item > * {
  margin: 0;
  padding: 0;
}

.element-item .name {
  position: absolute;

  left: 10px;
  top: 60px;
  text-transform: none;
  letter-spacing: 0;
  font-size: 12px;
  font-weight: normal;
}

.element-item .symbol {
  position: absolute;
  left: 10px;
  top: 0px;
  font-size: 42px;
  font-weight: bold;
  color: white;
}

.element-item .number {
  position: absolute;
  right: 8px;
  top: 5px;
}

.element-item .weight {
  position: absolute;
  left: 10px;
  top: 76px;
  font-size: 12px;
}

.element-item h1{font-size: 23px;font-weight: bold;margin-top: 15px;text-align: center;padding: 0;}
.element-item h1 a{ color:black; text-decoration:none;box-shadow: none;}
.element-item h1 a:hover{ text-decoration:none;color: #505050;box-shadow: none;}
.element-item .woomsprce {float: left;margin-bottom: 0;line-height: 25px;}
.element-item .woomscart {font-size: 12px;float: right;line-height: 25px;border: solid 1px #d2d2d2;padding: 2px 9px;color: black;text-decoration:none;box-shadow: none; text-align:center;}
.element-item .woomscart:hover { text-decoration:none; color:white; background:black;box-shadow: none;}

.element-item.alkali          { background: #F00; background: hsl(   0, 100%, 50%); }
.element-item.alkaline-earth  { background: #F80; background: hsl(  36, 100%, 50%); }
.element-item.lanthanoid      { background: #FF0; background: hsl(  72, 100%, 50%); }
.element-item.actinoid        { background: #0F0; background: hsl( 108, 100%, 50%); }
.element-item.transition      { background: #0F8; background: hsl( 144, 100%, 50%); }
.element-item.post-transition { background: #0FF; background: hsl( 180, 100%, 50%); }
.element-item.metalloid       { background: #08F; background: hsl( 216, 100%, 50%); }
.element-item.diatomic        { background: #00F; background: hsl( 252, 100%, 50%); }
.element-item.halogen         { background: #F0F; background: hsl( 288, 100%, 50%); }
.element-item.noble-gas       { background: #F08; background: hsl( 324, 100%, 50%); }


@media (max-width:768px) {
.element-item {width: 28%;}
.element-item h1{font-size: 16px;}
.element-item .woomsprce {float: none;font-size: 12px;margin-bottom: 12px; text-align:center;}
.element-item .woomscart {font-size: 11px;float: none;margin-top: 0;display: block;}
}

@media (max-width:480px) {
.element-item {width: 100%;}
.element-item h1{font-size: 23px;font-weight: bold;margin-top: 15px;}
.element-item .woomsprce {float: left;margin-bottom: 0; line-height: 31px;font-size: 15px;text-align:center;}
.element-item .woomscart {font-size: 12px;float: right;line-height: 25px;border: solid 1px #d2d2d2;padding: 2px 9px;color: black;}
}

@media (max-width:320px) {

}