styles.css

.block.block_culactivity_stream .content {
    position: relative;
    padding: 0;
    margin: 0;
}

.block.block_culactivity_stream .reload,
.dockeditempanel_hd .reload {
    display: none;
    text-align: right;
    padding-left: 5px;
    font-size: 0.8em;
    vertical-align: middle;
}

.block_culactivity_stream .culactivity_stream {
    width: 100%;
    max-height: 400px;
    margin: 0;
    padding: 0;
    overflow-y: scroll;
}

.block_culactivity_stream ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.block.block_culactivity_stream .content li {
    padding: 1%;
    line-height: 16px;
}

.block_culactivity_stream li.new {
    background-color: #fffacd;
}

.block_culactivity_stream .avatar {
    display: inline-block;
    vertical-align: top;
    width: 19%;
    margin: 0 0.5%;
    overflow: hidden;
}

.block_culactivity_stream .avatar a {
    width: 35px;
    height: 35px;
    overflow: hidden;
    display: block;
    position: relative;
    float: left;
}

.block_culactivity_stream .avatar img {
    position: absolute;
    top: -100%;
    left: -100%;
    bottom: -100%;
    right: -100%;
    height: 35px;
    width: 35px;
    margin: auto;
}

.block_culactivity_stream .notificationtext {
    display: inline-block;
    width: 70%;
    overflow: hidden;
}

.block_culactivity_stream .activityicon {
    display: inline-block;
    width: 10%;
    text-align: right;
}

.block_culactivity_stream .activityicon img {
    padding-right: 0;
}

.block_culactivity_stream .timesince {
    display: inline-block;
    width: 50%;
    text-align: left;
    font-size: 90%;
    font-style: italic;
    font-weight: bold;
}

.block_culactivity_stream .contexturls {
    display: inline-block;
    width: 50%;
    text-align: right;
    font-size: 90%;
}

.block_culactivity_stream_reload {
    text-align: center;
    margin-left: 0.25rem;
}

.block_culactivity_stream_loading {
    display: none;
    text-align: center;
    margin-left: 0.25rem;
}

.block_culactivity_stream_reload img,
.block_culactivity_stream_loading img {
    height: 12px;
    width: 12px;
    margin: 4px;
    margin-bottom: 6px;
}

.block_culactivity_stream .event,
.block_culactivity_stream .meta {
    display: flex;
    width: 100%;
}

.block_culactivity_stream hr {
    margin: 5px 0;
}