._white_r8dfj_1,._black_r8dfj_2,._transparent_r8dfj_3{border-radius:50%;position:absolute;left:calc(calc(var(--piece-medium-size) / 2 * -1));top:calc(calc(var(--piece-medium-size) / 2 * -1))}._white_r8dfj_1{background:radial-gradient(15px 15px at 15px 15px,#fff,#e2e2e2);box-shadow:2px 2px 4px #0000004d}._black_r8dfj_2{background:radial-gradient(10px 10px at 15px 15px,#fff,#333);box-shadow:2px 2px 4px #0006}._small_r8dfj_17{width:var(--piece-small-size);height:var(--piece-small-size)}._medium_r8dfj_21{width:var(--piece-medium-size);height:var(--piece-medium-size)}._checkerboard_60x6v_1{width:calc(var(--content-width) - 238px);height:calc(var(--content-width) - 200px);background-image:url(./Checkerboard.3b48bd1b.png);background-repeat:no-repeat;background-size:contain;position:relative}._checkerboardBox_1sg7d_1{position:relative;background-color:#fff;padding:18px;border-radius:5px}._disabled_1sg7d_7{position:absolute;top:0;left:0;width:calc(var(--content-width) - 202px);height:calc(var(--content-width) - 164px);border-radius:5px;background-color:#0006;cursor:no-drop}._card_1cdnv_1{display:flex;justify-content:center;width:var(--content-width);height:72px;border:1px solid #e7e7e7;border-radius:5px;background-color:#fff}._shows_1cdnv_10,._operation_1cdnv_11{padding:20px;display:flex;justify-content:space-around;align-items:center}._shows_1cdnv_10{width:calc(var(--content-width) / 2 - 1px);border-right:1px solid #e7e7e7;font-size:larger;color:#000}._nowTheme_1cdnv_23{position:relative}._operation_1cdnv_11{width:calc(var(--content-width) / 2)}._header_1son2_1{height:var(--header-height);box-shadow:var(--header-box-shadow);display:flex;justify-content:center;align-items:center;font-size:larger}._header_1son2_1 div{margin-right:10px}._content_1son2_12{padding-top:24px}._content_1son2_12,._footer_1son2_16{display:flex;justify-content:center}html,body,#app{margin:0;padding:0;height:100%;min-width:320px;--header-height: 64px;--header-box-shadow: inset 0 -1px 0 #e7e7e7;--content-width: 900px;--content-max-width:calc(100vw - 32px);--piece-small-size: 30px;--piece-medium-size: 38px}body{overflow:auto;-webkit-font-smoothing:antialiased}