* {
    margin: 0;
    padding: 0;
}
body {
    color: #555555;
    font-size: 12px;
}
h1 {
    font-size: 40px;
    padding: 20px 0;
    text-align: center;
}
div#container {
    border: 1px solid #E1ECFF;
    margin: 10px auto;
    width: 241px;
}
div#container h2 {
    background: none repeat scroll 0 0 #E1ECFF;
    color: #777777;
    font-size: 14px;
    height: 30px;
    line-height: 30px;
    text-indent: 20px;
}
div#calc {
    background: url("../images/background.png") no-repeat scroll center center transparent;
    height: 236px;
    margin: 10px;
    padding-top: 14px;
    width: 221px;
}
div#calc p#keyboard {
    background: url("../images/buttons.gif") no-repeat scroll center center transparent;
    height: 217px;
    margin: 0 auto;
    padding-top: 4px;
    position: relative;
    width: 198px;
}
div#calc p#keyboard span {
    background-color: transparent;
    background-image: url("../images/buttons.gif");
    background-position: center center;
    background-repeat: no-repeat;
    border: medium none;
    cursor: pointer;
    display: block;
    height: 32px;
    overflow: hidden;
    position: absolute;
    width: 36px;
}
div#calc p#keyboard span.num {
    text-indent: -9999px;
}
div#calc p#keyboard input#output {
    background: none repeat scroll 0 0 transparent;
    border: medium none;
    cursor: text;
    display: block;
    font-size: 28px;
    height: 35px;
    line-height: 35px;
    margin: 0 auto;
    padding-right: 2px;
    text-align: right;
    width: 168px;
}
div#calc p#keyboard span.row1 {
    top: 50px;
}
div#calc p#keyboard span.row2 {
    top: 84px;
}
div#calc p#keyboard span.row3 {
    top: 119px;
}
div#calc p#keyboard span.row4 {
    top: 154px;
}
div#calc p#keyboard span.row5 {
    top: 189px;
}
div#calc p#keyboard span.col1 {
    left: 4px;
    width: 37px;
}
div#calc p#keyboard span.col2 {
    left: 43px;
}
div#calc p#keyboard span.col3 {
    left: 81px;
}
div#calc p#keyboard span.col4 {
    left: 119px;
    width: 37px;
}
div#calc p#keyboard span.col5 {
    left: 158px;
}
div#calc p#keyboard span.minus {
    top: 85px;
}
div#calc p#keyboard span.zero {
    width: 73px;
}
div#calc p#keyboard span.eval {
    height: 67px;
}
div#calc p#keyboard span.hover {
    background-image: url("../images/buttons_hover.gif");
}
div#calc p#keyboard span.down {
    background-image: url("../images/buttons_down.gif");
}
