zulip/zephyr/static/styles/zephyr.css

.top-content {
    padding-left: 10px;
    padding-right: 20px;
}

#main_div {
    height: 400px;
    overflow-y: scroll;
}

form.zephyr input {
    width: 95%;
}

form.zephyr textarea {
    width: 95%;
}

#narrow_bar {
    margin-top: 5px;
}

#unhide {
    vertical-align: middle;
}

#narrow_indicator {
    vertical-align: middle;
    margin-left: 5px;
}

.zephyr_label_clickable:hover {
    background-color: #999999;
    cursor: pointer;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.zephyr_class {
  background-color: #b94a48;
}

.zephyr_instance {
  background-color: #468847;
}

.zephyr_personal_recipient {
  background-color: #3a87ad;
}

.zephyr_sender {
  background-color: #3a87ad;
}

/* Like .nav-tabs > li > a */
#send-status {
    padding: 8px 14px 8px 14px;
    line-height: 20px;
}

/* Like .alert .close */
.send-status-close {
    font-size:   17px;
    font-weight: bold;
    color:       black;
    text-shadow: 0 1px 0 white;
    opacity:     .2;
    filter:      alpha(opacity=20);
    margin-left: 5px;
    position:    relative;
    top:         1px;
}

.send-status-close:hover {
    cursor:  pointer;
    opacity: .4;
    filter:  alpha(opacity=40);
}