body
{
    background-color: black;
    color: white;
    font: 20px arial,sans-serif
}

div
{
    padding: 0;
    margin: 0;
}

input
{
    background-color: black;
    color: white;
    border: 1px solid blue;
    width: 2em;
    font-size: 100%;
}

button
{
    background-color: cadetblue;
    color: white;
    border: 2px solid blue;
    font-size: 100%;
}

.clear
{
    clear: both;
}

#header
{
    background-color: #5F90A0;
    margin-bottom: 5px;
    padding-left: 5px;
    height: 30px;
    background: -webkit-linear-gradient(left, #5F9EA0, #000055);
    background: -moz-linear-gradient(left, #5F9EA0, #000055);
    background: -ms-linear-gradient(left, #5F9EA0, #000055);
}
#header h1
{
    color: #000055;
    font-size: 24px;
    float: left;
    margin: 0;
    padding: 0;
}
#header h2
{
    color: #5F9EA0;
    font-size: 70%;
    float: right;
    vertical-align: top;
    margin-right: 3px;
}

.panel
{
    margin: 0 15px;
}

#timer
{
    margin-bottom: 10px;
    font-size: 150%;
    color: cadetblue;
}

#problem
{
    float: left;
    padding: 0 15px 15px 15px;
    font-size: 400%;
    border: solid 3px white;
}
.operand
{
    text-align: right;
}
#operand1
{
    margin-left: 1em;
}
.operator
{
    float: left;
    width: 1em;
}
#operator, #operand2
{
    border-bottom: solid 3px white;
}
.answer
{
    text-align: right;
}
#answer
{
    text-align: right;
    border: none;
    width: 1.4em;
}
#answer-buttons button
{
    display: block;
    margin-bottom: 5px;
}
#submit-answer
{
    font-size: 150%;
}
#problem button
{
    font-size: 66%;
}

#wrong-answer
{
    margin-top: 10px;
    color: red;
}
#correct-answer span
{
    font-size: 200%;
    color: green;
    display: block;
}

#right-pane
{
    float: left;
    margin-left: 10px;
    width: 18em;
}

#summary-pane
{
    float: left;
    color: cadetblue;
    border: 1px solid gray;
    padding: 10px;
}
#summary-pane h3
{
    margin: 0;
    font-size: 125%;
}
#summary-pane p
{
    margin: 5px 10px;
    text-align: right;
}
#summary-pane p.correct
{
    color: green;
}
#summary-pane p.wrong
{
    color: red;
}

#options-button
{
    margin-bottom: 15px;
    background-color: black;
}

#options-panel
{
    margin-top: 10px;
}
#options-panel *
{
    float: left;
    font-size: 100%;
}
#options-panel label
{
    clear: both;
    width: 200px;
    margin-top: 5px;
}
#options-panel input
{
    width: 3em;
    margin-top: 5px;
}
#options-panel button
{
    margin: 2em .5em;
}

#console
{
    font-size: 10px;
    max-height: 100px;
    overflow: auto;
    overflow: auto;
}