:root {
    --color-one: white;
    --color-two: black;
    --color-three: lime;
    --color-four: red;
    --color-five: yellow;
    --back-color-one: #0d1117;
    --back-color-two: #161b22;
    --back-color-three: #21262d;
    --back-color-four: #21262d;
    --text-color-one: #58a6ff;
}

html {
    width: 100%;
    margin: 0;
}

body {
    width: 100%;
    margin: 0;
    background: var(--back-color-one);
    color: var(--color-one);
}

header {
    width: 100%;
    height: 48px;
    display: flex;
    background: var(--back-color-two);
    justify-content: space-between;
    text-align: center;
    border: solid 2px var(--back-color-three);
}

h1 {
    color: var(--text-color-one);
    margin: 6px 0 16px 8px;
}

.select-game-menu {
    width: 80%;
    padding: 4px 0 4px 0;
    background: var(--back-color-two);
    border: 1px solid var(--back-color-three);
    border-radius: 16px;
    margin: 16px auto;
    display: grid;
}

.games-btn {
    width: 96px;
    height: 32px;
    padding: 4px;
    margin: 4px;
    background: var(--back-color-three);
    text-align: center;
    border: 2px solid var(--back-color-one);
    border-radius: 8px;
    line-height: 16px;
    transition: ease 0.1s;
    cursor: pointer;
}

.games-btn:hover {
    transform: scale(1.05);
    border: 2px solid blue;
    background: var(--back-color-four);
}