*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    font-size: 18px;
    background:#d5b34f;
    font-family: 'Playfair Display', sans-serif; 
}



/*----- HEADINGS---------*/

h1 {
    font-size: 400%;
    color: #e2e2e2;
    margin-top: 0;
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-55%,-90%);
    text-transform: uppercase;
    background-attachment: fixed;
    text-shadow: 0 0 300px #000000;
    opacity: 0.91;
    word-spacing: 15px;
}


h2 {
  font-size: 250%;
  color: #010101;
  margin: 50px 0 60px 0;
  display: flex;
  flex-direction: row;
  justify-content: center;
}

.quote-title::before,
.quote-title::after {
    content: "";
    display: block;
    border: 2px solid #010101;
    color: #010101;
    width: 100px;
    margin: 0 5px;
}

.quote-title {
    display: flex;
    align-items: center;
    
}

/*-----BUTTONS---------*/


.btn-new {
     position: absolute;
     top: 47%;
     left: 50%;
     transform: translate(-50%,-74%);
}

.btn-about {    
     position: absolute;
     top: 53%;
     left: 53%;
     transform: translate(-75%,-25%);
}

.btn-new,
.btn-about {
     width: 200px;
     border-radius: 9px;
     font-family: 'Oswald', sans-serif;
     color: #716161;
     font-size: 120%;
     padding: 10px 20px;
     border: 3px solid #fff;
     text-transform: uppercase;
     text-decoration: none;
     margin-top: 50px;
     opacity: 0.6;
}



.btn-new:hover,
.btn-about:hover {
    border: 3px solid #ffffff;
    background-color: #cbcbcb;
    font-weight: bold;
    transition: font-weighy 0.3s;
    
}

.btn-new a,
.btn-about a{
    text-decoration: none;
    color: #716161;
}


/*-----------------------/
/------Section-intro-----/
/-----------------------*/

.intro {
    height: 100%;
    width: 100%;
    margin: auto;
    background-image: url(img/background1.jpg);
    background-size: cover;
    background-position: center;
    position: relative;
}

.content {
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
    
}

/*------------------------/
/------Section-game-------/
/-----------------------*/

.section-game {
    background-image: url(img/background2.jpg);
    background-size: cover; 
}

#game {
    padding: 80px 0 90px 0;
}

.section-game h2 {
    padding-top: 30px;
    height: 100px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    /*text-align: center;*/
    color: #dbdbdb;
    text-transform: uppercase;
    background-attachment: fixed;
    font-size: 100%;
    display: none; 
}


.grid {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
}

.card {
  margin: 5px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center center;
  height: 150px;
  width: 150px;
  border-radius: 10px;
}

.match {
    opacity: 0;
}

.card {
  position: relative;
  transition: all .4s linear;
  transform-style: preserve-3d;
  margin: 5px;
}

.card,
.back,
.front {
  height: 150px;
  width: 150px;
  border-radius: 10px;
}

.back,
.front {
  position: absolute;
  backface-visibility: hidden;
}

.front {
 background-image: url(img/front-card.jpg);
 background-position: center;
 background-repeat: no-repeat;
 background-size: cover;
}

.back {
  transform: rotateY(180deg);
  background-color: white;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center center;
}

.selected {
  transform: rotateY(180deg);
}
.match .front {
  opacity: 0;
}

.card:hover, .back:hover, .front:hover{
-webkit-box-shadow: 0px 0px 12px 0px rgba(0,0,0,0.75);
-moz-box-shadow: 0px 0px 12px 0px rgba(0,0,0,0.75);
box-shadow: 0px 0px 30px 0px rgba(207,181,59,0.8);
}


/*------------------------/
/------Klimt-biography----/
/-----------------------*/

.section-Klimt {
  margin: 20px;
}

p {
    text-align: justify;
    margin-bottom: 40px;
}


.container {
    max-width: 500px;
    margin: auto;
    border: #977f38 solid 3px;
    background-color: #645527;
  }
  
  .main-img img,
  .imgs img {
    width: 100%;
  }
  
  .imgs {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-gap: 5px;
  }
  
  /* Fade in animation */

  @keyframes fadeIn {
    to {
      opacity: 1;
    }
  }
  
  .fade-in {
    opacity: 0;
    animation: fadeIn 0.5s ease-in 1 forwards;
  }