@import url('https://fonts.googleapis.com/css2?family=Pacifico&display=swap');
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: cursive;
}

body {
    height: 100vh;
    display: flex;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(Bg-image.jpg);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    animation: bgchange 2s infinite alternate;
    background-blend-mode: darken;    
}
@keyframes bgchange {
    0%{
        background-color: #0eaeee;
    }
    50%{
        background-color: #68e47c;
    }
    100%{
        background-color: #cf855a;
    }
}

.heading h1 {
    color: rgb(0, 255, 187);
    font-size: 50px;
    font-family: 'pacifico';
    font-weight: 900;
    margin: 55px;
    border-radius: 20px;
    padding: 0 20px;
    background: linear-gradient(rgba(55, 132, 174, 0.5),rgba(55, 132, 174, 0.5));
}


.container {
    width: 650px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8));
    border-radius: 50px;
    padding: 30px 0;
    color: #fff;
}


#board {
    display: flex;
    flex-wrap: wrap;
    width: 430px;
    margin: 0 auto;
    padding: 10px;

}

@keyframes colorchange {
    0%{
        background-color: #8120cf;
    }
    25%{
        background-color: #4441c5;
    }
    50%{
        background-color: #20cfcf;
    }
    75%{
        background-color: #20cf6f;
    }
    100%{
        background-color: #afcf20;
    }
}

.square {
    width: 120px;
    height: 120px;
    background-color: #8120cf;
    border-radius: 10px;
    margin: 8px;
    font-size: 80px;
    text-align: center;
    cursor: pointer;
    color: white;
    animation: colorchange 7s infinite alternate;
}


#message {
    font-size: 40px;
    margin: 8px;
    text-align: center;
    color: #6caad0;
    
}

#reset {
    display: block;
    margin-top: 35px;
    margin-bottom: 8px;
    padding: 15px 18px;
    font-size: 22px;
    font-weight: bold;
    color: #6caad0;
    background-color: transparent;
    border: 2px solid #6caad0;
    border-radius: 10px;
    cursor: pointer;
}
#reset:hover{
    color: black;
    background-color: #6caad0;
}

@media only screen and (max-width: 694px) {
    
    .container{
        width: 490px;
        padding: 25px;
    }  
    .heading h1{
        font-size: 40px;
        margin: 50px;
    }
    #board{
        width: 370px;
    }
    .square{
        width: 100px;
        height: 100px;
        font-size: 70px;
        text-align: center;
    }
    #reset{
        margin-top: 30px;
        padding: 10px 10px;
        font-size: 20px;
    }  
}
@media only screen and (max-width: 508px) {
    
    .container{
        padding: 20px;
        width: 340px;
        position: relative;
        top: -5%;
    }  
    .heading h1{
        font-size: 40px;
        text-align: center;
        position: relative;
        top: -5%;
    }
    #board{
        width: 315px;
    }
    .square{
        width: 80px;
        height: 80px;
        font-size: 57px;
        text-align: center;
    }
    #reset{
        margin-top: 20px;
        padding: 9px 13px;
        font-size: 20px;
    }  
}