.container{
    /* height: 85vh; */
    background-color: #474787;
    width: 100%;
    text-align: center;
    position: relative; /*for modal */
    padding-top: 40px;
}

.container h1{
    color: #f7f1e3;
}
h3 {
    color: #f7f1e3;
}

.control-wrapper {
    width: 80%;
    margin: auto;
    display: flex;
    justify-content: space-between;
}

.control, .info {
    display: flex;
    align-items: center;
}

.info {
    background-color: brown;
    height: 50px;
    width: auto;
    color: white;
}

.control {
    background-color: blue;
    height: 50px;
    width: auto;
    color: white;
}

.control * {
    margin: 10px;
}

.info * {
    margin: 10px;
}

.board {
    min-height: 80vh;
    /* display: grid;
    grid-template-columns: auto auto auto auto;
    row-gap: 15px;  */
    display: flex;
    flex-wrap: wrap;

    justify-content: space-around;
    background-color: aqua;
    width: 100%;
    margin: auto;
    background-image: url("background.jpg");
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    /* column-gap: 20px; */
    padding-top:40px;
    padding-bottom: 60px;
}

.flip-card {
    width: 175px;
    margin-right: 80px;
    margin-left: 80px;
    margin-bottom: 30px;
}

/* Time Bar */
/* Empty */
.TimeBar{
    margin: 20px;
    width: 100%;
    height: 20px;
    background-color: rgb(219, 161, 34);
    margin: auto;
    position:relative ;
}

/* make it stick */
div.sticky {
    position: -webkit-sticky; /* Safari */
    position: sticky;
    top: 0;
    z-index: 2;
}

/* LoadingBar */
#loadingTimeBar{
    position: absolute;
    left:0;
    top:0;
    background-color: green;
    height: 100%;
    width: 0%;
}

/* styling card and animation fold */
.flip-card{
    background-color: transparent;
    transition: 1s transform;
    transform-style: preserve-3d; /* this line is no Joke */
}

.card{
    height: 250px;
    width: 175px;
    background-color:black;
    position: relative;
    /* background-color: transparent; */
}


.flip-card:hover .card {
    cursor: pointer;
    /* transform: rotateY(180deg);
    transition: transform 0.8s;
    This is the KEY to All it works nicely 
    transform-style: preserve-3d; 
    Remove this if you don't want the 3D effect 
    perspective: 1000px;  */
}

.card .front {
    width: 100%;
    height: 100%;
    position:absolute;
    top: 0;
    left: 0;
    backface-visibility: hidden;    
}

.card .front img {
    overflow: hidden;
    width:100%; 
    height: 100%;   
}

.card .back {
    transform: rotateY(180deg) rotate(90deg);
    height: 175px;
    width: 250px;
    position: absolute;
    top: 15%;
    left:-22%;
}

.card .back img {
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

/*this not-existed class used to flip card when CLICKED into and be linked to JS toggle Function*/
.flipped {
    transform: rotateY(180deg) rotate(90deg) translateX(-12.5%) translateY(10%);
    transition: transform 0.8s;
    /* This is the KEY to All it works nicely */
    transform-style: preserve-3d; 
    /* Remove this if you don't want the 3D effect */
    perspective: 1000px; 
}
.flipped-down {
    transform: rotateY(0deg);
    transition-delay: 2s;
    transition: transform 0.8s;
    /* This is the KEY to All it works nicely */
    transform-style: preserve-3d; 
    /* Remove this if you don't want the 3D effect */
    perspective: 1000px; 
}
.hidden {
    opacity: 0;
}

/* Pop up menu style */
/* The Modal (background) */
#myModal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 5; /* Sit on top */
  padding-top: 100px; /* Location of the box */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}


.modal-content {
    margin: auto;
    
}


.modal-content {
  width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #fff;
  color: #000;
  text-align: center;
  border-radius: 20px;
  padding: 30px 30px 70px;
  }


.modal-content button.close {
      width: 30px;
      font-size: 40px;
      color: red;
      align-self: flex-end;
      background-color: transparent;
      border: none;
      margin-bottom: 10px;
}

.modal-content img {
      width: 82px;
      margin-bottom: 15px;
}

.modal-content input, select {
      margin-bottom: 40px;
      font-size: 18px;
}

#submit-btn {
    background-color: #ed6755;
    border: none;
    border-radius: 5px;
    width: 200px;
    padding: 14px;
    font-size: 20px;
    font-weight: 500;
    color: white;
    box-shadow: 0px 6px 18px -5px rgba(237, 103, 85, 1);
    display: flex;
    justify-content: center;
    margin: auto;
}
  

/* btn music play */
#youtube-audio img {
    display: none;
    
}

#youtube-audio{
    width: 0px;
    height: 0px;
    margin:0;
    padding:0;
}