html, body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

header, footer {
    background-color: aqua;
    padding: 14px 10px;
}

main {
    background-color: red;
    width: 80%;
    margin: 0 auto;
}


#map {
    height: 60vh;
}

.flex {
    display: flex;
}

.flex > *[main] {
    flex: 1;
}

.tile-image {
    border: 2px solid black;
    box-shadow: 5px 5px 10px 0px rgba(0,0,0,0.5);
    width: 256px;
    height: 256px;
}

.current-tile-upload {
    display: flex;
    justify-content: space-around;
}