gamecss.css

* {box-sizing: border-box; margin: 0; padding: 0;}
html {width: 100%; min-height: 100vh;}
body {
    width: 100%; min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.game_panel {
    border: 1px solid black;
    padding: 4px;
    border-radius: 8px;
    width: 90%;
    height: 50vh;
    display: grid;
    grid-template: 1fr 1fr / 10fr 1fr;
    align-items: center;
    justify-items: center;
    gap: 4px;
    background-color: rgba(100, 148, 237, 0.377);
}
.txt_panel {
    width: 100%;
    height: 100%;
    padding: 4px;
    border-radius: 4px;
    background-color: black;
    color: azure;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-family: sans-serif;
    text-transform: uppercase;
}
.chanses_panel {
    background-color: black;
    color: azure;
    width: 100%;
    height: 100%;
    border-radius: 4px;
    display: grid;
    place-content: center;
    font-family: sans-serif;
    font-size: 4rem;
}
.button_holder {
    grid-column: 1 / 3;
    width: 100%;
    height: 100%;
    border-radius: 4px;
    background-color: black;
    color: azure;
    padding: 4px;
    display: grid;
    grid-template: 1fr 1fr / 1fr 1fr 1fr 1fr 1fr;
    align-items: center;
    justify-content: space-evenly;
    gap: 4px;
}
.num_selector_button {
    background-color: cadetblue;
    width: 100%;
    height: 100%;
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-family: sans-serif;
    text-transform: uppercase;
    transition: 100ms;
    cursor: grab;
}
.num_selector_button:is(:hover, :focus) {
    background-color: chartreuse;
    border-radius: 12px;
    height: 96%;
}
.num_selector_button:active {
    height: 92%;
    background-color: rgba(81, 161, 0, 0.582);
}

@media screen and (min-width: 500px) {
    .button_holder {
        display: flex;
    }
}