style.css

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

body {
    background-color: aqua;
    text-align: center;
    font-family: 'Work Sans', sans-serif;
    font-weight: 900;
}

h1 {
    font-size: 4rem
}


.board {
    display: grid;
    grid-template-columns: 15vh 15vh 15vh;
    grid-template-rows: 15vh 15vh 15vh;
    justify-content: center;
    padding-bottom: 5rem;
}

.grid-item {
    display:flex;
    background-color: rgba(255, 255, 255, 0.8);
    border: 9px solid rgba(0, 0, 0, 0.8);
    justify-content: center;
    flex-direction: column;
    font-size: 8vw;
    text-align: center;
}

.buttons {
    margin: 1rem 0rem 0rem 0rem;
    padding: 3vh 0 0 0;
    
}
.computerbutton {
    margin: 0rem 0rem 0rem 0rem;
    padding: 3vh;
}
.computer {
    font-family: 'Work Sans', sans-serif; 
    border-radius: 5%;
    box-shadow: 0 2px 4px darkslategray;
    padding: 3px 5px 3px 5px;
    border: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.result {
    margin: 1rem 0rem 1rem 0rem;
    font-size: 4vw;
}

.reset {
    font-family: 'Work Sans', sans-serif; 
    border-radius: 5%;
    box-shadow: 0 2px 4px darkslategray;
    padding: 3px 5px 3px 5px;
    border: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}
.new {
    font-family: 'Work Sans', sans-serif; 
    border-radius: 5%;
    box-shadow: 0 2px 4px darkslategray;
    padding: 3px 5px 3px 5px;
    border: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.game {
    margin-bottom: 0px;
}

.rule {
    display: flex;
    font-size: 4vh;
}

.rulelist {
    display: flex;
    justify-content: center;
    margin: 15px;
}

.score {
    font-size: 2.8vh;

    border-color: black;
    border-style: dotted;

}