html, body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
}
*:focus {
    outline: 2px solid #ffa500;
}
section#task-wrapper {
    width: 560px;
    margin-left: auto;
    margin-right: auto;
    background-color: #616161;
    padding: 0 10px 20px 10px;
    position: relative;
}
section#task-wrapper header {
    text-align: center;
    min-height: 15px;
}
section#task-wrapper header h1 {
    color: #fff;
    font-weight: bold;
    font-family: 'Arial Black', 'Arial Bold', sans-serif;
    font-size: 20px;
    line-height: 44px;
    margin: 0;
    padding: 0;
}
section#task-wrapper div.activity-wrapper {
    width: 500px;
    margin-left: auto;
    margin-right: auto;
    background-color: #fff;
    padding: 10px 20px 10px 20px;
    position: relative;
}
section#task-wrapper div.activity-wrapper p.instructions#audio-included {
    position: relative;
    padding: 0 0 0 40px;
    margin: 0 0 6px 0;
    line-height: 30px;
}
section#task-wrapper div.activity-wrapper p.instructions#audio-included a {
    position: absolute;
    left: 0;
    display: block;
    height: 28px;
    width: 32px;
    text-indent: -9999px;
    background-repeat: no-repeat;
}
section#task-wrapper div.activity-wrapper p.instructions#audio-included a.audio-button {
    background-image: url('../images/sprites.png');
    background-position: 0 -22px;
}
section#task-wrapper div.activity-wrapper p.instructions#audio-included a.playing {
    background-image: url('../images/sprites.png');
    background-position: -34px -22px;
}
section#task-wrapper div.activity-wrapper p.instructions#audio-sans {
    position: relative;
    padding: 0 0 0 20px;
    margin: 0 0 6px 0;
    line-height: 30px;
}
section.task-11 div.activity-wrapper {
    width: 574px;
}
section.task-11 div.activity-wrapper form {
    position: relative;
    padding: 0 20px;
    border: solid 2px #2691ff;
    border-radius: 15px;
    -moz-border-radius: 15px;
    -webkit-border-radius: 15px;
    margin: 10px 0;
}
section.task-11 div.activity-wrapper form fieldset {
    border: 0;
}
section.task-11 div.activity-wrapper form legend {
    display: block;
    padding-top: 10px;
    padding-bottom: 10px;
    width: 420px;
}
section.task-11 div.activity-wrapper form input[type="checkbox"] {
    position: absolute;
    left: -9999px;
}
section.task-11 div.activity-wrapper form label {
    display: inline-block;
    position: relative;
    padding-left: 24px;
    margin-bottom: 5px;
}
section.task-11 div.activity-wrapper form label:before {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    background-image: url('../images/sprites.png');
    background-image: url(../images/sprites.png);
    background-position: 0 0;
    background-position-x: 0;
    background-position-y: 0;
    background-repeat: no-repeat;
}
@media all and (-webkit-min-device-pixel-ratio:1.5) {
    section.task-11 div.activity-wrapper form label: before {
    background-image: url('../images/sprites@2x.png');
    background-size: 200px 50px;
}
}section.task-11 div.activity-wrapper form input[type="checkbox"]:checked+label:before {
    background-image: url('../images/sprites.png');
    background-image: url(../images/sprites.png);
    background-position: -20px 0;
    background-position-x: -20px;
    background-position-y: 0;
    background-repeat: no-repeat;
}
@media all and (-webkit-min-device-pixel-ratio:1.5) {
    section.task-11 div.activity-wrapper form input[type="checkbox"]: checked+label:before {
    background-image: url('../images/sprites@2x.png');
    background-size: 200px 50px;
}
}section.task-11 div.activity-wrapper form div.form-row {
    position: relative;
}
section.task-11 div.activity-wrapper form div.form-row span.check {
    position: absolute;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    display: none;
    background-image: url('../images/sprites.png');
    background-image: url(../images/sprites.png);
    background-position: -20px 0;
    background-position-x: -20px;
    background-position-y: 0;
    background-repeat: no-repeat;
}
@media all and (-webkit-min-device-pixel-ratio:1.5) {
    section.task-11 div.activity-wrapper form div.form-row span.check {
    background-image: url('../images/sprites@2x.png');
    background-size: 200px 50px;
}
}section.task-11 div.activity-wrapper form div.form-row.checked span.check {
    display: block;
}
section.task-11 div.activity-wrapper form input[type="checkbox"]:focus+label {
    outline: solid 2px #ffa500;
}
section.task-11 div.activity-wrapper form label.focused {
    outline: solid 2px #ffa500;
}
section.task-11 div.activity-wrapper form input[type="submit"] {
    position: relative;
    left: 370px;
    font-size: 14px;
    color: #000;
    background-color: #2691ff;
    border: solid 2px #000;
    border-radius: 6px;
    margin-bottom: 10px;
    text-transform: uppercase;
    padding: 4px;
    -moz-border-radius: 6px;
    -webkit-border-radius: 6px;
    -webkit-transition: background-color .5s;
    -moz-transition: background-color .5s;
    transition: background-color .5s;
}
section.task-11 div.activity-wrapper form input[type="submit"]:hover, section.task-11 div.activity-wrapper form input[type="submit"]:active {
    background-color: #e5f0f9;
    -webkit-transition: background-color .5s;
    -moz-transition: background-color .5s;
    transition: background-color .5s;
}
section.task-11 div.activity-wrapper form input[type="submit"]:focus {
    outline: solid 2px #ffa500;
}
section.task-11 div.activity-wrapper form input[type="submit"].disabled {
    opacity: .5;
}
section.task-11 div.activity-wrapper form input[type="submit"].disabled:hover {
    background-color: #2691ff;
}
section.task-11 div.activity-wrapper p.feedback {
    display: none;
    margin: 15px 0;
    padding: 15px 15px 20px 15px;
    background-color: #e5f0f9;
    border-radius: 15px;
    -moz-border-radius: 15px;
    -webkit-border-radius: 15px;
}
section.task-11 div.activity-wrapper p.feedback:focus {
    outline: 0;
}
section.task-11 div.activity-wrapper p.feedback span.feedback-title {
    font-weight: bold;
    margin-bottom: 20px;
    display: block;
}
section.task-11 div.activity-wrapper p.feedback span.feedback-option {
    display: none;
}