MemoryGamePractice/style.css at main · mamohamed252/MemoryGamePractice · GitHub

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* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body{
  height: 100vh;
  /*css background color palette*/
  /*https://coolors.co/gradient-palette/2b0948-ce653b?number=7*/
  background: hsla(272, 78%, 16%, 1);
  background: linear-gradient(90deg, hsla(272, 78%, 16%, 1) 0%, hsla(17, 60%, 52%, 1) 100%);
  background: -moz-linear-gradient(90deg, hsla(272, 78%, 16%, 1) 0%, hsla(17, 60%, 52%, 1) 100%);
  background: -webkit-linear-gradient(90deg, hsla(272, 78%, 16%, 1) 0%, hsla(17, 60%, 52%, 1) 100%);

  filter: progid: DXImageTransform.Microsoft.gradient( startColorstr="#2b0948", endColorstr="#ce653b", GradientType=1 ); /* Chrome 10-25, Safari 5.1 -6 */
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

section{
  display: grid;
  grid-template-columns: repeat(4, 8rem);
  grid-template-rows: repeat(4, 8rem);
  grid-gap: 2rem;
  perspective: 800px;
}
.card{
  position: relative;
  /* this transform property animates to 3d and rotates*/
  transform-style: preserve-3d;
  transition: all 2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: rgba(0,0,0,0.2) 0px 5px 15px;

}

.face,
.back{
  width: 100%;
  height: 100%;
  position: absolute;
  /*pointer-events of none allows to grab card instead of element*/
  pointer-events: none;
}
.back{

  background: hsla(155, 23%, 71%, 1);

  background: linear-gradient(90deg, hsla(155, 23%, 71%, 1) 0%, hsla(302, 17%, 32%, 1) 100%);

  background: -moz-linear-gradient(90deg, hsla(155, 23%, 71%, 1) 0%, hsla(302, 17%, 32%, 1) 100%);

  background: -webkit-linear-gradient(90deg, hsla(155, 23%, 71%, 1) 0%, hsla(302, 17%, 32%, 1) 100%);

  filter: progid: DXImageTransform.Microsoft.gradient( startColorstr="#a4c6b8", endColorstr="#5e435d", GradientType=1 );

  /*This allows card to be shown when it rotates*/
  backface-visibility: hidden;
}

.toggleCard{
  transform: rotateY(180deg);
}
/*reverses image to flip correctly*/
.face{
  transform: rotateY(-180deg);
}