label.button-group {
    font-family: Space Grotesk, 'BlinkMacSystemFont', -apple-system, 'Roboto', 'Lucida Sans',arial;
    font-weight: 600;
    font-size: 16px;
    color: #00669f;
    margin-bottom: 15px;
}
h4
{
    font-family: Space Grotesk, 'BlinkMacSystemFont', -apple-system, 'Roboto', 'Lucida Sans',arial;
    font-size: 16px;
}
.filters-select{
    padding: 10px 0px 10px 10px;
    font-size: 16px;
    border: 0;
    border-bottom: 1px solid;
    border-radius: 15px;
    background: #f4f2f2;
    cursor: pointer;
    font-weight: 600;
}

div.abs_txt{
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 5px !important;
    background: #3e7fb9;
    color: white !important;
    text-align:center;
    font-family: Space Grotesk, 'BlinkMacSystemFont', -apple-system, 'Roboto', 'Lucida Sans',arial;
}
.abs_txt a{
    color: white;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 1px;
} 

.abs_txt a{
    padding:5px;
    background:white;
    color:#3e7fb9;
    border-radius:15px;
}
p.sm_Txt{
    font-family: Space Grotesk, 'BlinkMacSystemFont', -apple-system, 'Roboto', 'Lucida Sans',arial;
    font-size: 13px;
    text-align: center;
    font-weight: bold;
    color: #666;
    padding:0;
}

h1.elegantshadow {
  font-family: "Avant Garde", Avantgarde, "Century Gothic", CenturyGothic, "AppleGothic", sans-serif;
  font-size: 92px;
  padding: 80px 50px;
  text-align: center;
  text-transform: uppercase;
  text-rendering: optimizeLegibility;
}
h1.elegantshadow {
  color: #131313;
  background-color: #e7e5e4;
  letter-spacing: 0.15em;
  text-shadow: 1px -1px 0 #767676, -1px 2px 1px #737272, -2px 4px 1px #767474, -3px 6px 1px #787777, -4px 8px 1px #7b7a7a, -5px 10px 1px #7f7d7d, -6px 12px 1px #828181, -7px 14px 1px #868585, -8px 16px 1px #8b8a89, -9px 18px 1px #8f8e8d, -10px 20px 1px #949392, -11px 22px 1px #999897, -12px 24px 1px #9e9c9c, -13px 26px 1px #a3a1a1, -14px 28px 1px #a8a6a6, -15px 30px 1px #adabab, -16px 32px 1px #b2b1b0, -17px 34px 1px #b7b6b5, -18px 36px 1px #bcbbba, -19px 38px 1px #c1bfbf, -20px 40px 1px #c6c4c4, -21px 42px 1px #cbc9c8, -22px 44px 1px #cfcdcd, -23px 46px 1px #d4d2d1, -24px 48px 1px #d8d6d5, -25px 50px 1px #dbdad9, -26px 52px 1px #dfdddc, -27px 54px 1px #e2e0df, -28px 56px 1px #e4e3e2;
}

.btn-overlay {
  background: #7ba428;
  position: relative;
  overflow: hidden;
}
.btn-overlay:after {
  content: "";
  position: absolute;
  width: 115%;
  height: 200px;
  background: yellowgreen;
  transform: translateY(-45%) skew(25deg) scale(0);
  left: -5%;
  transition: 200ms ease-in-out;
}
.btn-overlay:hover:after {
  transform: translateY(-45%) skew(25deg) scale(1);
}
.btn-overlay span {
  position: relative;
  z-index: 1;
}

.wrapper {
  display:block;
  width: 300px;
  max-width: 100%;
  position: relative;
  margin: 15px auto;
  background: #FFF;
  box-shadow: 0 0 10px rgba(0,0,0,.3);
  border-radius: 3px;
  overflow: hidden;
  height: 300px;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 12px;
  font-weight: bold;
  text-transform: uppercase;
  border-radius: 10px 10px;
}

.wrapper img {
  max-width: 100%;
  border-radius: 0 0 3px 3px;
  position: absolute;
  -webkit-transform: translateY(0);
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  transform: translateY(0);
  transition: 15s all ease;
}

.wrapper:hover img {
  -webkit-transform: translateY(-100%);
  -moz-transform: translateY(-100%);
  -ms-transform: translateY(-100%);
  transform: translateY(-100%);
}


.tilt {
  box-shadow: 0 20px 30px -13px rgba(0, 0, 0, 0.7);
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  -webkit-transform: perspective(500px) rotateX(0deg) rotateY(0deg) scale3d(1, 1, 1);
          transform: perspective(500px) rotateX(0deg) rotateY(0deg) scale3d(1, 1, 1);
}
.tilt:hover {
  box-shadow: 0 40px 70px -15px rgba(0, 0, 0, 0.7);
}



#card{
  background:rgb(245, 245, 245,0.7);
  -width:300px;
  height :300px;
  box-shadow: 4px 4px 8px 0 rgba(0,0,0,0.2);
  border-radius:20px;
  transition:0.3s
}

#card:hover {
  transition:0.3s;
  box-shadow: 8px 8px 16px 0 rgba(0,0,0,0.2),-8px -8px 16px 0 rgba(0,0,0,0.2);
}

/*#card img{*/
/*  object-fit:cover;*/
/*  animation:fadeIn 1s;*/
/*  height: 100%;*/
/*  width:100%;*/
/*  border-radius:20px 20px 0px 0px;*/
/*  transition:0.3s;*/
/*}*/

#content{
  padding:2vh 0vw 2vh 0vw; 
  font-size:1.3rem;
  font-family:Arial;
  color:#345e82;
}


/* ---- button ---- */
.button-group{
margin: auto;
  display: flex;
  flex-direction: row;
  justify-content: center;
  flex-wrap:wrap;
  font-weight: 500;
  font-family: Space Grotesk, 'BlinkMacSystemFont', -apple-system, 'Roboto', 'Lucida Sans',arial;
}
.button {
  display: inline-block;
  padding: 10px 18px;
  margin-bottom: 10px;
  -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: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: 1px solid #333;
  
    width: 100%;
    height: auto;
    margin: 0 auto;
    position: relative;
}

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

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

.element-item {
  position: relative;
  float: left;
  width:100%;
  max-width: 300px;
  height: 450px;
  margin: 5px;
  -padding: 10px;
  -background: #888;
  color: #262524;
}

.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.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%); }*/