/* Variabes */
/* Mixin's */
body {
  background-image: url(./images/night.jpg); 
  background-color: blue;
  background-repeat: no-repeat;
  
  font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
  font-size: 3.5vh;
  height: auto;
  width: auto;
  color: #fff;
  text-align: center;
}


.two{
  display: flex;
  float: left;
}

.wrapper{
  align-items: center;

}
.button {
  border-radius: 5px;
  -khtml-border-radius: 5px;
  background: #82d2e5;
  color: #fff;
  border: solid 1px #fff;
  text-decoration: none;
  cursor: pointer;
  font-size: 1.2em;
  padding: 18px 10px;
  width: 180px;
  margin: 10px;
  outline: none;
}
.button:hover {
  -webkit-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
  background: #fff;
  border: solid 1px #fff;
  color: #82d2e5;
}

#seconds, #tens {
  font-size: 2em;
}




#container {
  display: flex;
  flex-wrap: wrap;
  width: 630px;
  margin: 10px auto;
}

#container:after {
  content: "";
  display: table;
  clear: both;
}





[data-view="card"] {
  -webkit-transform: rotateY(180deg);
          transform: rotateY(180deg);
  width: 100px;
  height: 140px;
  border: solid 1px #d3cece;
  border-radius: 5px;
  float: left;
  margin: 10px; 
  cursor: pointer;
  background: linear-gradient(135deg, #f3f3f3 22px, #fff 22px, #fff 24px, transparent 24px, transparent 67px, #fff 67px, #fff 69px, transparent 69px), linear-gradient(225deg, #f3f3f3 22px, #fff 22px, #fff 24px, transparent 24px, transparent 67px, #fff 67px, #fff 69px, transparent 69px) 0 64px;
  background-color: #f3f3f3;
  background-size: 64px 128px;
  align-items: center;
}

@media (max-width: 425px){

  
  body{
    text-align: center;
    background-image: url(./images/night2opti.jpg);
  }
  #container {
    display: flex;
    flex-wrap: wrap;
    width: 490px;
    margin: 10px auto;
  }



}
.flipped {
  -webkit-transition: 0.6s;
  transition: 0.6s;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  position: relative;
  -webkit-transform: rotateY(0deg);
          transform: rotateY(0deg);
}

.reverse {
  -webkit-transition: 0.6s;
  transition: 0.6s;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  position: relative;
  -webkit-transform: rotateY(180deg);
          transform: rotateY(180deg);
}

.correct {
  opacity: .5;
  cursor: default;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  position: relative;
  -webkit-transform: rotateY(0deg);
          transform: rotateY(0deg);
}

/* Icons */
.correct[data-item="sass"],
.flipped[data-item="sass"]
 {
  background: url("./images/vishal.PNG") left center no-repeat #fff;
  background-size: contain;
}



.correct[data-item="gulp"],
.flipped[data-item="gulp"] {
  background: url("./images/./Girish.PNG") left center no-repeat #fff;
  background-size: contain;
}

.correct[data-item="grunt"],
.flipped[data-item="grunt"] {
  background: url("./images/chomu.PNG") left center no-repeat #fff;
  background-size: contain;
}

.correct[data-item="git"],
.flipped[data-item="git"] {
  background: url("./images/aditya.PNG") left center no-repeat #fff;
  background-size: contain;
}

.correct[data-item="css3"],
.flipped[data-item="css3"] {
  background: url("./images/shit.PNG") left center no-repeat #fff;
  background-size: contain;
}