body {
    margin: 0;
    font-family: "Roboto Mono", monospace;
    overflow: hidden;
    height: 100vh;
    background-color: #111;
}
.grid-container {
    position: relative;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(45deg, #161616 25%, transparent 25%), linear-gradient(-45deg, #161616 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #161616 75%), linear-gradient(-45deg, transparent 75%, #161616 75%);
    background-size: 8px 8px;
    background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
    display: grid;
    grid-template-columns: repeat(auto-fill, 64px);
    grid-template-rows: repeat(auto-fill, 16px);
}
.grid-container-theme2 {
    background-image: linear-gradient(45deg, #252525 25%, transparent 25%, transparent 75%, #252525 75%), linear-gradient(-45deg, #252525 25%, transparent 25%, transparent 75%, #252525 75%);
    background-size: 32px 32px;
    background-position: 0 0, 16px 16px;
}
.tile {
    width: 64px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    line-height: 1;
    font-size: 8px;
    font-family: "Roboto Mono", monospace;
    position: absolute;
    color: #fff;
    border: 0 solid #ccc;
    box-sizing: border-box;
    user-select: none;
    transition: transform 0.1s ease;
}
.tile.editable {
    outline: 0 solid #6200ea;
    z-index: 9999999;
    transform: scale(2);
    box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.2);
}
.floating-button {
    position: fixed;
    top: 16px;
    left: 16px;
    background-color: #fff;
    color: #000;
    border: none;
    border-radius: 50px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.2);
}
.floating-button:focus {
    outline: 2px solid #eee;
    outline-offset: 4px;
}
.floating-button .material-icons {
    font-size: 24px;
}