poker-card.css

#cards {
  display: flex;
  justify-content:center;
  flex-wrap:wrap;
  
}
.card{
  margin: 3px;
  border: 1px solid black;
  box-sizing: border-box;
  flex: 7% 0 1; 
  height: 8vw;
  display: flex;
  flex-direction: column;  
  justify-content: space-around;

}


#game-sign{
  width: 10%;
}

.back {
  background-image: url('https://i.imgur.com/X5nacsZ.png');
  background-size:cover
}

#title {
  margin: 30px;
}

#score {
  margin-right: 30px;
}

#times {
  margin-right:30px;
}

.paired {
  background-color:orange;
}

.card img {
  max-width: 30%;
  align-self: center;

}

.card p {
  margin: 3px;
  font-size: 10px;
}

.card p:last-child{
  transform: rotate(180deg);
}

.wrong{
  animation: wrongAnimation 0.2s;
  animation-iteration-count: 5;
}

@keyframes wrongAnimation {
  100%{
    border: 2px solid yellow;
  }
}

.completed {
  position: absolute;
  z-index: 999;
  top: 33vh;
  background-color: RGBA(232, 246, 254, 0.8);
  width: 100vw;
  padding: 50px 0;
}
.completed > p {
  font-size: 1.5em;
  color: black;
  text-align: center;
  margin: 0;
}
.completed > p:first-child {
  font-size: 3em;
  font-weight: 700;
  color: #758d9a;
}