.clearfix:before,
.clearfix:after {
    content: '.';
    display: block;
    overflow: hidden;
    visibility: hidden;
    font-size: 0;
    line-height: 0;
    width: 0;
    height: 0;
}

.clearfix:after {
    clear: both;
}

.clearfix {
    zoom: 1;
}

body {
    margin: 0;
    padding: 0;
    background: #eeeeee;
    font-family: Arial, sans-serif;
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 18px;
    color: #000;
}

a {
    color: #0088cc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

#page {
    margin: 0 auto;
    padding: 10px 0 0 0;
    width: 1100px;
}

#tank-grid {
    float: left;
    padding: 1px;
    border: 1px solid #000;
}

#tank-grid .row {}

#tank-grid .row .col {
    float: left;
    margin: 1px;
    width: 10px;
    height: 10px;
    background: #fff;
}

#tank-grid .row .col:last-child {
    margin-right: 0;
}

#tank-grid .row:last-child .col {
    margin-bottom: 0;
}

#tank-grid .row .col.on {
    background: #000;
}

#tank-grid .row .col.on.tank.my {
    background: #f00;
}

#tank-grid .row .col.on.bull.my {
    background: #f00;
}

#control-panel {
    float: right;
    padding: 20px 10px 0 10px;
    width: 300px;
    height: 500px;
    border: 1px solid #000;
}

h2 {
    margin: 0 0 30px 0;
    text-align: center;
    font-size: 30px;
}

#control-panel .row {
    margin-bottom: 10px;
}

#control-panel .score {
    margin-bottom: 20px;
}

#control-panel .score span {
    display: block;
    float: left;
    margin-right: 10px;
}

#control-panel .score strong {
    display: block;
    float: left;
    font-size: 50px;
    color: #f00;
}

#control-panel .buttons .btn {
    display: block;
    float: left;
    padding: 0;
    width: 65px;
    text-align: center;
    background: #000;
    color: #fff;
    border-radius: 5px;
    text-decoration: none;
    cursor: pointer;
}

#control-panel .buttons .btn.disabled {
    background: #333;
    cursor: default;
}

#pause-game {
    margin-left: 10px;
    margin-right: 10px;
}