html, body {
    height: 100%;
    margin: 0;
}

.color0 {
    background: #f5f5f5;
    color: #1a1a1a;
}

.color2 {
    background: #1a1a1a;
    color: #f5f5f5;
}

#app {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 50px;
}

#five-board {
    position: absolute;
    top: 50%;
    left: 50%;
    border: solid 1px black;
    z-index: 0;
}

.winBack {
    background: #b8d4a8;
}

.baseBake {
    background: #deb887;
}

.loseBack {
    background: #c4a88c;
}

#five-board .grid {
    width: 49px;
    height: 49px;
    position: absolute;
    border: solid 1px black;
    z-index: 1;
}

#five-board .point {
    width: 11px;
    height: 11px;
    position: absolute;
    border-radius: 5px;
    background-color: black;
    z-index: 2;
}

#five-board .space {
    width: 51px;
    height: 51px;
    position: absolute;
    z-index: 3;
}

#five-board .space .piece {
    width: 41px;
    height: 41px;
    position: absolute;
    top: 5px;
    left: 5px;
    border-radius: 20px;
    z-index: 4;
    cursor: pointer;
    font-family: system-ui;
    font-size: 20px;
    line-height: 41px;
    text-align: center;
}

#footer {
    position: fixed;
    bottom: 0;
    background-color: #fff;
    box-sizing: border-box;
    border-top: 1px solid #dfdfdf;
    width: 100%;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 50px;
    font-size: 14px;
    font-family: sans-serif;
    z-index: 1000;
}

#footer img {
    width: 14px;
}

#footer a {
    margin-left: 5px;
    color: #1da565;
    text-decoration: none;
    background-color: transparent;
    outline: none;
    cursor: pointer;
    transition: color 0.3s;
}