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

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

.element-item {
  position: relative;
  float: left;
  width: 30%;
  
  margin: 5px;
  
  padding: 10px;
  
  text-align: center;
  color: #1abc9c;
}

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

.element-item .name {
  
  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.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%); }

 .filterPort{
 	margin: 0 5px;
  font-size: 1.0rem;
  padding: 1rem;
  display: inline-block;
  background-color: #009ac9;
  border: 1px solid transparent;
  color: #ffffff;
  font-weight: 300;
  -webkit-border-radius: 3px;
  border-radius: 3px;
  -webkit-transition: all 0.3s ease-in-out;
  -moz-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
 }

 .filterPort:hover{
  background-color: #ffffff;
  color: #009ac9;
  border-color: #009ac9;
 }
 .image-wrap{
 	padding:5px;
 }
 .cu_underline{
  	text-decoration: underline;
 }
 .chartbox p{
 	color: #fff !important;
 }