/* global declarations */

html {
    font-size: 10px;
    font-family: 'Roboto Mono', monospace;;
}

body {
    margin: 0;
    width: 100%;
    height: 100vh;
    background-color: whitesmoke;
}

/* header style */

header {
    text-align: center;
}

h1 {
    margin: 0;
    font-size: 4rem;
    padding: 3rem 0rem;
    font-weight: 700;
}

.subtitle {
    margin: 0;
}

/* main container */

main {
    width: 100%;
    height: 85%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-direction: column;
}

#reset-btn {
    -webkit-appearance: none;
    font-size: 3rem;
    border: 1px solid black;
    margin: 1rem 2rem;
    background-color: gainsboro;
    border-radius: 2px;
}

#reset-btn:hover {
    color: white;
    background-color: slategray;
    box-shadow: 0 0 5px black;
}

#grid-container {
    width: 70vh;
    height: 70vh;
    border: 4px solid black;
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    grid-template-rows: repeat(16, 1fr);
}

.grid-elem {
    border: 0.07px solid black
}