* {
    padding: 0;
    margin: 0;
}
body {
    font-family: 'Major Mono Display', monospace;
    display: flex;
    align-items: center;
    flex-direction: column;
}
.container {
    width: 80%;
    height: 100%;
    margin: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 1%;
}

.heading {
    text-align: center;
    font-size: 6rem;
    color: #456990;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}
.play__settings {
    display: flex;
    width: 90%;
    justify-content: center;
}
.play__settings {
    justify-content: space-around;
}
.size__container {
    max-width: 80%;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}
button:hover {
    border: solid 1px #4569906b;
}
.button__play, .button__shuffle, .button__save-game,
.button__result {
    width: 140px;
    height: 40px;
    margin: 10px auto;
    font-size: 1rem; 
    text-transform: uppercase;
    color:#456990;
    border: solid 1px #456990;
    border-radius: 5px;
    background-color: #d2dce7;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    cursor: pointer;
}
.button__shuffle:disabled {
    background-color: #4569906b;
    border: solid 1px #4569906b;
    color: #ffffff;
    cursor: auto;
}
.button__size {
    width: 64px;
    height: 38px;
    margin: 10px 10px;
    font-size: 1rem;
    color: #ffffff;
    border: none;
    border-radius: 5px;
    background-color: #456990;
    box-shadow: 0 0 5px rgb(0 0 0 / 50%);
    cursor: pointer;
}
.button__size:disabled {
    background-color: #4569906b;
}
.field {
    background-color: #114B5F;
    position: relative;
    border: 1px solid black;
    border-radius: 10px;
}
.field__3 {
    width: 300px;
    height: 300px;
}
.field__4 {
    width: 400px;
    height: 400px;
}
.field__5 {
    width: 500px;
    height: 500px;
}
.field__6 {
    width: 600px;
    height: 600px;
}
.field__7 {
    width: 700px;
    height: 700px;
}
.field__8 {
    width: 800px;
    height: 800px;
}
.cell__empty {
    box-sizing: border-box;
    width: 100px;
    height: 100px;
    position: absolute;
    transition:  all 0.5s;
    cursor: pointer;
}
.cell {
    box-sizing: border-box;
    color: #ffffff;
    background: #456990;
    width: 100px;
    height: 100px;
    border-radius: 10px;
    border: 1px solid #114B5F;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    transition:  all 0.5s;
    cursor: pointer;
}
.timer-step__container {
    display: flex;
    width: 80%;
    justify-content: space-around;
}
.timer__container {
    display: flex;
    gap: 4px;
    align-items: baseline;
}

.steps__container {
    display: flex;
    gap: 4px;
    align-items: baseline;
}

.minute__element,
.second__element,
.step__element {
    font-size: 1.4rem;
}

h4 {
    font-size: 2rem;
    color: #114B5F;
    text-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
}
.pop-up__container {
    background-color: rgba(0, 0, 0, 0.5);
	position: fixed;
	top: 0;
	width: 100%;
	height: 100vh;
	z-index: 7;
	transition: background-color 1s ease;
}
@media (max-width: 600px) {
    .container {
        width: 100%;
    }
    .heading {
        font-size: 3.6rem;
    }
    .button__size, .button__play, .button__shuffle,
    .button__save-game {
        width: 100px;
        height: 30px;
        font-size: 0.8rem; 
    }
    .timer-step__container {
        flex-direction: column;
        gap: 6px;
    }
    h4 {
        font-size: 1.4rem;
    }
    .minute__element, .second__element, .step__element {
        font-size: 1.2rem;
    }
    .field__3 {
        width: 150px;
        height: 150px;
    }
    .field__4 {
        width: 200px;
        height: 200px;
    }
    .field__5 {
        width: 250px;
        height: 250px;
    }
    .field__6 {
        width: 300px;
        height: 300px;
    }
    .field__7 {
        width: 350px;
        height: 350px;
    }
    .field__8 {
        width: 400px;
        height: 400px;
    }
    .cell {
        width: 50px;
        height: 50px;
    }
}