#message-list {
  background: @messagelist-bg;
}

// Make toolbars match panels
.column-MessageList,
.toolbar-MessageList,
.column-MessageListSidebar,
.toolbar-MessageListSidebar {
  height: 100%;
  background: @messagelist-bg;
  border-left: 1px solid @border-color;
}

// Message List top and bottom spacing
#message-list .messages-wrap .scroll-region-content-inner {
  padding: 20px;
  padding-bottom: 40vh;
}

// Reset padding
#message-list .message-header,
#message-list .message-item-wrap.collapsed .message-item-white-wrap,
#message-list .message-item-wrap.collapsed .message-item-area {
  padding: 0;
}

// Make padding uniform
#message-list .message-item-area,
#message-list .footer-reply-area-wrap .footer-reply-area {
  padding: 20px !important;
}

// Adjusting position of thread participants toggle
#message-list .header-toggle-control {
  top: 6px !important;
  left: -11px !important;
  display: flex !important;
  justify-content: center;
  align-items: center;
}

// Reducing size and overriding invalid -webkit-mask-repeat- property
#message-list .header-toggle-control img {
  zoom: 0.35 !important;
  -webkit-mask-repeat: no-repeat !important;
}

.message-participants.to-participants .collapsed-participants,
.message-participants .expanded-participants .participant-type {
  margin-top: 0;
}

.message-participants .from-label,
.message-participants .to-label,
.message-participants .cc-label,
.message-participants .bcc-label {
  margin-right: 6px;
}

#message-list .message-item-wrap .message-item-white-wrap,
#message-list .minified-bundle .msg-line,
#message-list .minified-bundle .num-messages,
#message-list .footer-reply-area-wrap, {
  box-shadow: inset 0 0 0 1px @border-color;
  border: none;
}

#message-list .minified-bundle + .message-item-wrap,
#message-list .message-item-wrap.collapsed + .minified-bundle,
#message-list .minified-bundle .num-messages,
#message-list .minified-bundle .msg-lines {
  margin-top: 0;
}

// Collapsed Messages Pill Label
#message-list .minified-bundle .num-messages {
  padding: 3px;
}

// remove margin for last message before reply
#message-list .message-item-wrap.before-reply-area {
  margin-bottom: 0;
}