body {

}

#maze {
    display: block;
    position: relative;
    top: 0px;
    left: 0px;
}

.maze_lv {
    display: block;
    border-top: 1px solid black;
    border-left: 1px solid black;
    position: relative;
    top: 5px;
    left: 5px;
}

.mapimg {
    display: block;
    height: 20px;
    width:20px;
    box-sizing: border-box;
    border: 1px solid rgba(229, 229, 229, 0.75);
}
.maze {
    margin: 10px;
}
.img0 {

}

.img1 {
    border-right: 1px solid black;
}

.img2 {
    border-bottom: 1px solid black;
}

.img3 {
    border-right: 1px solid black;
    border-bottom: 1px solid black;
}

.wall {
    background: black;
}

@keyframes mymove {
    from {background-color: black;}
    to {background-color: #ffd0d6;}
}

.frontier {
    background: #ffd0d6;
    animation: mymove 0.2s;
}

.road {
    background-color: #fff;
    animation: mymove2 0.2s;
}

@keyframes mymove2 {
    from {background-color: #ffd0d6;}
    to {background-color: white;}
}