@import url('https://fonts.googleapis.com/css2?family=Acme&display=swap');

:root {
    font-family: 'Acme', 'sans-serif';
    background-color: rgba(0, 0, 0, 0.1);
}

body {
    margin: 0;
}

header {
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 1px 0 5px black;
    padding: 10px 0;
    background-color: white;
}

header img {
    width: 50px;
    height: 50px;
}

header p {
    font-size: 20px;
    padding-left: 10px;
}

main {
    position: relative;
}

.winner {
    display: flex;
    justify-content: center;
}

.winner p {
    font-size: 15px;
    margin: 15px 0;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 5px 70px;
    border-radius: 5px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    background-color: white;
    border: 3px solid black;
    border-radius: 20px;
    width: 350px;
    height: 350px;
    margin: 0 auto;
}

.grid-container div {
    padding: 20px;
    overflow: hidden;
}

.grid-container div:hover {
    cursor: pointer;
}

.grid-container img {
    width: 100%;
    height: 100%;
}

.grid-container #cell-1 {
    border-right: 3px solid black;
    border-bottom: 3px solid black;
}

.grid-container #cell-2 {
    border-right: 3px solid black;
    border-bottom: 3px solid black;
}

.grid-container #cell-3 {
    border-bottom: 3px solid black;
}

.grid-container #cell-4 {
    border-right: 3px solid black;
    border-bottom: 3px solid black;
}

.grid-container #cell-5 {
    border-right: 3px solid black;
    border-bottom: 3px solid black;
}

.grid-container #cell-6 {
    border-bottom: 3px solid black;
}

.grid-container #cell-7 {
    border-right: 3px solid black;
}

.grid-container #cell-8 {
    border-right: 3px solid black;
}

.options {
    display: flex;
    justify-content: center;
    padding-top: 20px;
}

#difficulty {
    font-family: 'Acme', 'sans-serif';
    font-size: 14px;
    cursor: pointer;
}

#reset {
    font-family: 'Acme', 'sans-serif';
    font-size: 14px;
    cursor: pointer;
    padding: 10px 20px;
    margin-left: 90px;
}