/* Activity Block for CKEditor 4 and published MyStudentSite lesson pages.
 * Normal editable HTML: no contenteditable=false, widget, or JavaScript runtime.
 */
.mss-activity {
    display: block;
    box-sizing: border-box;
    max-width: 100%;
    margin: 18px 0;
    padding: 11px 11px 10px;
    background: #d7d7d7;
    border-radius: 10px;
    color: #111;
    line-height: 1.5;
    overflow-wrap: break-word;
}
.mss-activity .mss-activity-heading {
    margin: 0 0 6px;
    padding: 0;
    font-size: 1.08em;
    line-height: 1.45;
}
.mss-activity .mss-activity-heading strong {
    font-weight: 700;
}
.mss-activity .mss-activity-title {
    margin-left: 5px;
    font-size: 0.93em;
    font-weight: normal;
}
.mss-activity .mss-activity-body {
    min-width: 0;
    margin: 0;
    padding: 0;
}
.mss-activity .mss-activity-body p {
    margin: 0 0 10px;
}
.mss-activity .mss-activity-body p:last-child {
    margin-bottom: 10px;
}
.mss-activity .mss-activity-body img,
.mss-activity .mss-activity-body video {
    max-width: 100%;
    height: auto;
}
.mss-activity .mss-activity-body iframe {
    max-width: 100%;
    border: 0;
}
.mss-activity .mss-activity-body table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    background: #fff;
}
.mss-activity .mss-activity-body th,
.mss-activity .mss-activity-body td {
    border: 1px solid #999;
    padding: 7px 9px;
    vertical-align: top;
}
.mss-activity .mss-activity-body th {
    background: #eee;
}
/* Optional responsive video wrapper when pasting iframe embed source. */
.mss-activity .mss-activity-video {
    position: relative;
    height: 0;
    padding-bottom: 56.25%;
    margin: 12px 0;
    overflow: hidden;
}
.mss-activity .mss-activity-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
/* Screenshot-inspired shaded resource strip; applies to text and normal links. */
.mss-activity .mss-activity-resource {
    display: block;
    box-sizing: border-box;
    margin: 12px 0 0;
    padding: 9px 12px;
    border: 1px solid #777;
    border-radius: 5px;
    background: #777;
    background: linear-gradient(to bottom, #999 0%, #5e5e5e 100%);
    box-shadow: 0 2px 5px rgba(0,0,0,0.25);
    color: #fff;
    text-align: center;
    line-height: 1.4;
}
.mss-activity .mss-activity-resource a,
.mss-activity .mss-activity-resource a:visited {
    color: #fff;
    text-decoration: underline;
}
.mss-activity .mss-activity-resource a:hover,
.mss-activity .mss-activity-resource a:focus {
    color: #fff;
    text-decoration: none;
}
@media (max-width: 640px) {
    .mss-activity { padding: 10px; }
    .mss-activity .mss-activity-resource { padding: 9px 8px; }
}