body {
    /* non-serife-font */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif
}

footer {
    margin-top: 20px;
    text-align: center;
    width: 100%;
    border: 1px solid #e7e7e7;
    background-color: #f3f3f3;
}

.title {
    margin: 25px;
}

.parent {
    display: flex;

    flex-flow: row wrap;

    justify-content: space-around;

    padding: 0;
    margin: 0;
}

.main {
    flex: 70%;
    /* padding: 0 12.5%; */
}

.right {
    flex: 30%;
    margin: 0 auto;
}

@media screen and (max-width: 900px) {
    .right {
        flex: 31%;
    }
}

.board {
    margin: auto;
}

/* https://spin.atomicobject.com/2015/07/14/css-responsive-square/ */

.field,
.possible-destination-field {
    height: 8vh;
    width: 8vh;
    text-align: center;
    /* static font size that font is not expanding the table cells */
    font-size: 5vh;
    /* user is not allowed to select text in the table cells */
    user-select: none;
}

.field:hover {
    /* background-color: green; */
    font-size: 6vh;
    outline: 2px solid black;
}

.possible-destination-field {
    /* background: radial-gradient(rgba(20,85,30,0.5) 19%, rgba(0,0,0,0) 20%); */
    background: radial-gradient(black 20%, rgba(0, 0, 0, 0) 22%);
}

.selected-field {
    outline: 2px dashed black;
}

.black-field {
    background-color: grey;
}

.white-field {
    background-color: whitesmoke;
}

.navbar {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid #e7e7e7;
    background-color: #f3f3f3;
}

.game-info {
    font-size: 2.3vh;
    border: 1px solid #e7e7e7;
    background-color: #f3f3f3;
    width: 100%;
}

.nav-bar-element {
    float: left;
    display: block;
    color: #666;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    user-select: none;
}

.nav-bar-element:hover:not(.no-hover) {
    background-color: #ddd;
}