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

html{
    scroll-behavior: smooth;
    font-family: Arial, Helvetica, sans-serif;
}

.clear{
    clear: both;
}

#header{
    background: linear-gradient(45deg, #3977c9, #23af23);
    height: 46px;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    position: fixed;
}

#nav{
    display: inline-block;
}

#nav li{
    position: relative;
}

#nav > li{
    display: inline-block;
}

#nav li a{
    line-height: 46px;
    padding: 0 24px;
    text-decoration: none;
    display: block;
}

#nav > li > a{
    color: #fff;
    font-weight: 500;
    text-transform: uppercase;
}
#nav > li:hover > a{
    color: #000;
    background-color: #ccc;
}

#header .play{
    float: right;
    top: 0;
    right: 0;
    color: #fff;
    line-height: 46px;
    padding: 0 24px;
    text-decoration: none;
    display: block;

}

#header .play li{
    list-style-type: none;
}

#header .play li a{
    text-decoration: none;
    color: #fff;
    text-transform: uppercase;
    font-size: larger;
    font-weight: 600;
}

#header .play:hover{
    color: #000;
    background-color: #FF0000;
    cursor: pointer;
}

/*slide*/
#slide{
    position: relative;
    width: 100%;
}


#slide .bg-img img {
    margin-top: 46px;
    width: 100%;
    height: auto;
}

#slide .text-content{
    position: absolute;
    top: 0;
    color: #fff;   
    left: 50%;
    transform: translateX(-50%);
    padding: 46px 16px;
    text-align: center; 
}

#slide .text-heading{
    margin: 10px 0;
    font-weight: 700;
    font-size: 68px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-shadow: 0 0 10px #000;
    letter-spacing: 5px;
}

#slide .text-decscription{
    height: 165px;
    width: 700px;
    margin: 15px 0;
    font-size: 30px;
    font-weight: 500;
    text-shadow: 0 0 10px #000;
}

/*About game*/

#about-game{
    max-width: 1200px;
    height: 500px;
    margin: 64px 72px;

}

#intro-left{
    float: left;
    width: 50%;
}
#intro-left img{
    height: 500px;
    width: 500px;
    right: 0;

}

#intro-right{
    float: right;
    width: 50%;
}

#intro-right .intro-head{
    margin: 16px 149px;
    font-size: 1.875rem;
}

#intro-right .intro-text-head{
    font-size: 40px;
    color: #006600;
    text-transform: uppercase;
}

#intro-right .intro-head-decs{
    font-size: 24px;
    font-weight: 600;
}

#intro-right .intro-desc{
    margin: 32px;
    font-size: 1.125rem;
    line-height: 1.75rem;
    text-align: justify;
}

#intro-right .intro-desc b{
    color: #006600;
    font-size: larger;
}

#intro-right .intro-play-btn{
    padding: 0 238px;
}

#intro-right .intro-play-btn a{
    display: block;
    text-decoration: none;
    color: #000;
    background: white;
    border: 1px solid #006600;
    padding: 9px 25px;
    line-height: 1.4;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 550;

}

#intro-right .intro-play-btn a:hover{
    transform: scale(1.2);
    border: 1px solid #006600;
    background: #006600;
    color: white;
    transition: .4s;
}

/*Card*/
#members{
	position: relative;
	width: 100%;
	height: 615px;
	background: linear-gradient(45deg, #093977, #006600);
    padding: 64px 16px;
}

.members-head{
	color: #fff;
	font-size: 40px;
	text-align: center;
    text-transform: uppercase;
}

.card{
	width: 100%;
	max-width: 1350px;
	margin: 0 auto;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(150px, auto));
	align-items: center;
	gap: 2rem;
	text-align: center;
	margin-top: 4rem;
}

.card img{
	width: 100%;
	height: auto;
	border-radius: 15px;
	margin-bottom: 15px;
}

.box{
	padding: 16px;
	background: #1b1229;
	border-radius: 15px;
	transition: all .38s ease;
}
.box h3{
	font-size: 23px;
	font-weight: 600;
	color: #fff;
	margin-bottom: 8px;
}
.box h5{
	font-size: 15px;
	font-weight: 600;
	color: #b7b4bb;
	margin-bottom: 15px;
	letter-spacing: 2px;
}
.icons i{
	display: inline-block;
	color: #fff;
	font-size: 20px;
	margin: 0 8px;
	transition: all .38s ease;
}
.icons i:hover{
	transform: scale(1.2);
}
.box:hover{
	transform: translateY(-10px);
	cursor: pointer;
}

h1 {
    font-size: 30px;
    margin-bottom: 1%;
    color: #006600;
    margin-top: 4rem;
}

/*main game area*/

#game{
    width: 100%;
	height: 615px;
    text-align: center;
    background: white;
    font-family: 'Chakra Petch', sans-serif;
    color: red;
}

.game-main{
    margin: auto;
    background-color: #006600;
    display: inline-block;
    border-radius: 10%;
    padding: 30px 4%;
}

.player{
    font-size: 30px;
}

.safe-click, .sneak-peek, .audio-control{
    font-size: 20px;
}

.level-btn{
    font-size: 15px;
    background-color: #ecc1c1;
    border-radius: 10px;
    height: 30px;
    padding: 0 10px;
}

button{
    font-family: 'Charkra Petch', sans-serif;
    border-radius: 10%;
    background-color: #ecc1c1;
}

button:active{
    font-weight: bold;
}

button:hover, .safe-click:hover, .player:hover, .sneak-peek:hover, .audio-control:hover {
    cursor: pointer;
}

.game-board table{
    margin: auto;
    background-color: #115cbe;
}

.game-board table, td{
    border-collapse: collapse;
}

.game-board table td{
    border: 3px outset #DEB8C1;
    height: 30px;
    width: 30px;
}

.game-board table td:hover{
    background-color: #c7a7a7;
}

.timer {
    display: inline-block;
    margin-top: 2%;
    color: black;
    font-size: 20px;
    text-shadow: 0px 0px 7px rgb(77, 238, 56), 0px 0px 7px #ffffff
}

.best-time {
font-size: 15px;
}

.undo-btn {
    display: inline-block;
    position: relative;
    left:0%;
    margin-top: 10px;
    background-color: #ecc1c1;
    font-size: 20px;
    color: black;
    font-weight: 500;
    height: 30px;
    border-radius: 10px;
    padding: 0px 5px;
}

/* cells changes during game */

.pressed {
    background-color: #e4d1d1;
}

.peeked {
    background-color: #d49d9d;
}

.safe {
    background-color: #fad9d9;
}