html {
  width:100%;
  height:100%;
}
body {
  margin:0;
  padding:0;
  width:100%;
  height:100%;
}

.modal {
  position: fixed;
  height: 90%;
  right: 0;
  top: 0;
  z-index: 3;
  width: 100%;
  visibility: hidden;
  opacity:0;
  -webkit-transition:opacity 0.4s linear;
  -moz-transition:opacity 0.4s linear;
  -ms-transition:opacity 0.4s linear;
  -o-transition:opacity 0.4s linear;
  transition:opacity 0.4s linear;
}
.modal.show {
  visibility: visible;
  opacity:1;
}

.valign-table {
  display: table;
  table-layout: fixed;
}
.valign-cell {
  display: table-cell;
  vertical-align: middle;
}

#memory--app-container {
  background-color: #ffffff;
  width:100%;
  height:90%;
  padding:10px;
}

.memory--app-name {
  color:#ccc;
  font-size:26px;
  margin:0;
  padding:1px 4px;
  text-transform: uppercase;
  font-family: "Courier New";
  letter-spacing: 2px;
}
@media screen and (max-width: 480px) {
  .memory--app-name {
    font-size:16px;
  }
}

#memory--end-game-modal .wrapper {
  background-color: rgba(0, 0, 0, .86);
  text-align: center;
  color:#ccc;
  padding:8px 0;
}
#memory--end-game-modal h2,
#memory--end-game-modal h3 {
  margin:0;
  margin-bottom: 4px;
}

#memory--settings-modal {
  background-color: rgba(0, 0, 0, .86);
  z-index: 4;
}
#memory--settings-modal form {
  min-width:240px;
  width:50%;
  margin:0 auto;
  text-align: center;
  color:#ccc;
}

.memory--settings-label {
  margin:8px 0;
}

#memory--settings-grid,
#memory--settings-reset {
  width:100%;
  margin-bottom:16px;
  font-size:18px;
  background:transparent;
  color:#ccc;
  height:50px;
  text-align: center;
}


#memory--cards {
  margin:0 auto;
  padding:0px;
  height:100%;
  list-style-type: none;
  list-style-image: none;
  position:relative;
}
/* entire container, keeps perspective */
.flip-container {
  -webkit-perspective: 1000px;
  perspective: 1000px;
  float:left;
}

/* flip the pane when clicked */
.flip-container.clicked .front {
  -webkit-transform: rotateY(180deg);
  -moz-transform: rotateY(180deg);
  -ms-transform: rotateY(180deg);
  -o-transform: rotateY(180deg);
  transform: rotateY(180deg);
}
.flip-container.clicked .back {
  -webkit-transform: rotateY(0deg);
  -moz-transform: rotateY(0deg);
  -ms-transform: rotateY(0deg);
  -o-transform: rotateY(0deg);
  transform: rotateY(0deg);
}

/* flip speed goes here */
.flipper {
  width:98%;
  height:98%;
  margin:0% auto;
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -ms-transition: 0.5s;
  -o-transition: 0.5s;
  transition: 0.5s;
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  transform-style: preserve-3d;
  position: relative;
}

/* hide back of pane during swap */
.front, .back {
  width:100%;
  height:100%;
  display: block;
  -webkit-backface-visibility: hidden;
  -moz-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -ms-transition: 0.5s;
  -o-transition: 0.5s;
  transition: 0.5s;
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  transform-style: preserve-3d;
  position: absolute;
  top: 0;
  left: 0;
}

/* front pane, placed above back */
.front {
  /* for firefox 31 */
  -webkit-transform: rotateY(0deg);
  -moz-transform: rotateY(0deg);
  -ms-transform: rotateY(0deg);
  -o-transform: rotateY(0deg);
  transform: rotateY(0deg);
  background-color: #a0a0a0;
  border-radius: 5%;
  background-image: url(../img/0000.png);
  background-position:50% 50%;
  background-repeat: no-repeat;
  background-size: contain;

}

/* back, initially hidden pane */
.back {
  -webkit-transform: rotateY(-180deg);
  -moz-transform: rotateY(-180deg);
  -ms-transform: rotateY(-180deg);
  -o-transform: rotateY(-180deg);
  transform: rotateY(-180deg);
  background-color: #a0a0a0;
  border-radius: 5%;
  background-position:50% 50%;
  background-repeat: no-repeat;
  background-size: cover;
}

.back.card-1 {
  background-image: url(../img/0011.png);
}
.back.matching.card-1 {
  background-image: url(../img/0012.png);
}
.back.card-2 {
  background-image: url(../img/0021.png);
}
.back.matching.card-2 {
  background-image: url(../img/0022.png);
}
.back.card-3 {
  background-image: url(../img/0031.png);
}
.back.matching.card-3 {
  background-image: url(../img/0032.png);
}
.back.card-4 {
  background-image: url(../img/0041.png);
}
.back.matching.card-4 {
  background-image: url(../img/0042.png);
}
.back.card-5 {
  background-image: url(../img/0051.png);
}
.back.matching.card-5 {
  background-image: url(../img/0052.png);
}
.back.card-6 {
  background-image: url(../img/0061.png);
}
.back.matching.card-6 {
  background-image: url(../img/0062.png);
}