:root{
    --dark-green : #16a085;
}

@font-face {
    font-family: "Trebuchet MS";
    src: url(../fonts/trebuchet_ms.ttf) format('truetype');
    font-weight : normal;
    font-style : normal;
}
body {
    height: 100vh;
	margin: 0;
	padding: 0;
    background-color: var(--dark-green);
    display : flex;
    justify-content: center;
    align-items: center;
    font-family: "Trebuchet MS", serif;
    overflow: hidden;
}
#game{
    position: relative;
    box-sizing: border-box;
    border: 1px solid;
	margin:0;
	width: 306px;
	height:306px;
    color : white;
}
.case {
    position: absolute;
    cursor : pointer;
    border: 1px solid var(--dark-green);
    background-color: #1abc9c;
	margin:0;
	padding: 0;
	width: calc(100% / 3);
	height: calc(100% / 3);
	z-index:2;
    box-sizing: border-box;
    display : flex;
    justify-content: center;
    align-items: center;
    font-size: 25px;
    transition: 0.2s;
    user-select: none; /* supported by Chrome and Opera */
    -webkit-user-select: none; /* Safari */
    -khtml-user-select: none; /* Konqueror HTML */
    -moz-user-select: none; /* Firefox */
    -ms-user-select: none; /* Internet Explorer/Edge */
}
.vide{
    cursor: initial;
    z-index: 1;
    background-color: var(--dark-green);
}
.line{
    display : flex;
    justify-content: center;
    width: 100%;
    height : calc(100% / 3);
}
#score{
    color : white;
    font-size: 25px;
    position: absolute;
    top: 2%;
    left: 2%;
}
#black-container{
    color: white;
    z-index : 11;
    background-color: rgba(0,0,0,0.8);
    position: fixed;
    top : 0;
    bottom : 0;
    left : 0;
    right : 0;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}
#black-container button{
    font-size: 25pt;
    padding: 15px 25px;
    color : white;
    border: none;
    border-radius: 40px;
    cursor: pointer;
    margin: 10px 15px;
    transition: 0.1s;
    outline: none;
}
#black-container button:hover{
    transform: scale(1.1);
}
#black-container-sub{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}
.button-blue{
    background-color: #2980b9;
}
#end-game-text{
    text-align: center;
    font-size: 80pt;
}
#end-game-container{
    text-align: center;
}
@keyframes opacityHide{
    0% {
        opacity : 1;
    }
    100% {
        opacity : 0;
    }
}
@keyframes opacityShow{
    0% {
        opacity : 0;
    }
    100% {
        opacity : 1;
    }
}
.display-flex{
    display: flex;
}
.display-none{
    display: none;
}
.z-index10{
    z-index : 10;
}
.z-index12{
    z-index: 12;
}