style.css

/* Import Montserrat font */
@import url('https://fonts.googleapis.com/css?family=Montserrat:400,700');

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
}

body{
    width:100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background-color: #22272e;
    gap:20px;
}

h1{
    font-size: 2.5rem;
    color: rgb(225, 225, 225);
    background:rgba(255, 255, 255, 0.114);
    padding: 10px 20px;
    border-radius: 2px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);;
}

.board{
    width: 340px;
    height: 430px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap:10px;
}

.word{
    width:100%;
    display:flex;
    justify-content: space-evenly;
}
.word div{
    width: 60px;
    height:60px;
    display:flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    transition: all 0.3s ease-in-out;
    background-color:rgba(255, 255, 255, 0.116);
    color:rgba(255, 255, 255, 0.89);
    border-radius: 3px;
    border: 1px solid rgba(128, 128, 128, 0.321);
}

.word div:hover{
    background-color: skyblue;
    color: rgb(59, 72, 77);
    cursor: pointer;
}

.buttons{
    width: 700px;
    display: flex;
    flex-wrap:wrap;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

button{
    width: 45px;
    height: 55px; 
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.1s ease-in-out;
    user-select: none;
    border:none;
    outline:none;
    color: rgb(225, 225, 225);
    background-color:rgba(255, 255, 255, 0.114);
}


button:hover{
    background-color:rgba(255, 255, 255, 0.296);
}

button:active{
    transform: scale(0.9);
}
.incorrect{
    background-color: rgb(114, 114, 114) !important;
    animation: rotate 1.2s linear; 
}

.present{
    background-color: rgba(214, 163, 52, 0.796) !important;
    animation: rotate 1.2s linear; 
}

.correct{
    background-color: rgb(86, 171, 86) !important;
    animation: rotate 1.2s linear; 
}



.new{
    display:none;
    position:absolute;
    top: 10px;
    right:10px;
    background-color: rgb(64, 63, 72);
    padding:15px 20px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    color:white;
}

.new:hover{
    background-color: rgb(60, 62, 65);
}

.new:active{
    transform: scale(0.9);
}

.alert{
    position:absolute;
    background-color: rgb(38, 41, 47);
    padding:20px 30px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease-in-out;
    transform:scale(0);
    border: 1px solid rgba(255, 255, 255, 0.138);
    color: white;
    box-shadow: 0 0 200px 1000px rgba(255, 255, 255, 0.138);
    display:flex;
    align-items: center;
}

.active{
    transform:scale(1);
}
#enter, #clear{
    width:70px;
    background-color: skyblue;
    color: rgb(59, 72, 77);
}




@media screen and (max-width: 700px) {
    body{
        gap:40px;
    }
    h1{
        font-size: 1.6rem;
        transform:translateY(-30px)
    }
    .board{
        width:300px;
        height: 300px;
        gap:5px;
    }

    .word div{
        width:50px;
        height:50px;
    }

    .buttons{
        width:320px;
        gap:5px;
    }

    button{
        width:28px;
        height:38px;
        font-size: 0.8rem;
        transition: 0.1s ease all;
    }
    #enter, #clear{
        width:45px;
    }
}
    
@keyframes rotate {
    0%{
        transform:rotateX(0deg);
    }
    50%{
        transform:rotateX(180deg);
    }
    100%{
        transform:rotateX(0deg);
    }
}

@keyframes scale {
    0%{
        transform:scale(1);
    }
    50%{
        transform:scale(1.1);
    }
    100%{
        transform:scale(1);
    }
}

span{
    font-size:32px;
    color:lightgreen;
    padding:10px;
}

.scale{
    animation: scale 0.5s linear; 
}