.mainContainer {
    display: block;
    margin: 0 auto;
    width: 840px;
}

.mainArea,
.mainArea:focus,
.mainArea:focus-visible,
.mainArea:focus-within{
    display: inline-block;
    width: 100%;
    outline:none;
}

.sidePanel {
    width: 280px;
    height: 560px;
    display: inline-block;
    float: left;
}

.mainPanel {
    width: 280px;
    height: 560px;
    display: inline-block;
    float: left;
    background-repeat: repeat;
    overflow: hidden;
}

.space {
    width: 28px;
    height: 28px;
    display: inline-block;
    float: left;
}

.empty {
    background-image: url('../images/bgtile.png');
}

#pause-menu {
    background-color: #2b2b2b73;
    z-index: 500;
    bottom: 0px;
}

#static-bg {
    height: calc(100% + (2 * 28px));
    bottom: 0px;
    z-index: 0;
    background-image: url(../images/bgtile.png);
    background-repeat: repeat;
}

#moving-parts {
    height: calc(100% + (2 * 28px));
    bottom: 0px;
    z-index: 100;
}

[class*="-solid"] {
    height: 28px;
    width: 28px;
    display: inline-block;
    float: left;
    /*border: 2px inset #000000;*/
    border-radius: 2px;
}
.turquoise-solid {
    background-color: #40e0d0;
    background-image: url('../images/turquoise.png');
}

.blue-solid {
    background-color: #0000ff;
    background-image: url('../images/blue.png');
}

.orange-solid {
    background-color: #ffa500;
    background-image: url('../images/orange.png');
}

.yellow-solid {
    background-color: #ffff00;
    background-image: url('../images/yellow.png');
}

.green-solid {
    background-color: #008000;
    background-image: url('../images/green.png');
}

.purple-solid {
    background-color: #800080;
    background-image: url('../images/purple.png');
}

.red-solid {
    background-color: #ff0000;
    background-image: url('../images/red.png');
}

/*    
.turquoise-solid {
    background-color: #3b3c68;
}

.blue-solid {
    background-color: #2b0574;
}

.orange-solid {
    background-color: #6a2e35;
}

.yellow-solid {
    background-color: #6a4435;
}

.green-solid {
    background-color: #2b2535;
}

.purple-solid {
    background-color: #4b0555;
}

.red-solid {
    background-color: #6a0535;
}
*/

.mainPanel .piece {
    display: inline-block;
    float: left;
}

.mainPanel .piece > div {
    height: 28px;
    width: 28px;
    display: inline-block;
    float: left;
}

.mainPanel [class*="-piece"] {
    width: 84px;
    height: 84px;
}

.mainPanel .yellow-piece {
    width: 56px;
    height: 56px;
}

.mainPanel .turquoise-piece {
    width: 112px;
    height: 112px;
}
.mainPanel .active-piece{
    z-index:10;
}
.mainPanel .shadow-piece {
    opacity: 0.375;
    z-index: 9;
}

.btn-light {
    cursor: pointer;
    position: relative;
}

.btn-light > div {
    display: inline-block;
    position: absolute;
    bottom: 2px;
    right: 5px;
    font-size: 8px;
}

.sideSection {
    background-color: #d6d6d6;
    margin: 2rem;
    padding: 1rem;
    border-radius: 1rem;
    text-align: center;
    font-weight: bold;
    position:relative;
}

.sideSection h2 {
    font-weight: bold;
}

.sideSection > div {
    background-color: #2b2b2b;
    color: #FFF;
    margin: 0.25rem 0px;
    padding: 0.25rem;
    border-radius: 0.25rem;
    width: 100%;
}

#nextPieces {
    display: inline-block;
}

#nextPieces .next-piece {
    display: block;
    float: none;
    height: 56px;
    margin: 1rem auto;
}

#nextPieces .next-piece > div {
    height: 28px;
    width: 28px;
    display: inline-block;
    float: left;
}

#nextPieces [class*="-next-piece"] {
    width: 84px;
}

#nextPieces .yellow-next-piece {
    width: 56px;
}

#nextPieces .turquoise-next-piece {
    width: 112px;
    padding-top: 14px;
}

.section-highlight{
    background-color: rgba(255,255,255,0.1);
    color: white;
    border-radius: 4px;
    height: 3rem;
    display: flex;
    align-items: center;
    line-height: 3rem;
}

#runAI {
    position: absolute;
    top: 0rem;
    right: 1rem;
    display: inline-block;
    width: auto;
    font-size: 0.5rem;
    cursor: pointer;
}