.composer-bar .composer-tools {
  min-height: 30px;
  align-items: center;
}
.composer-bar button.attach-file {
  position: relative;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex: 0 0 28px;
  width: 28px !important;
  min-width: 28px;
  height: 28px !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 1px solid #c8c6c4 !important;
  border-radius: 4px !important;
  color: #605e5c !important;
  background: #fff !important;
  box-shadow: none !important;
  line-height: 1 !important;
  vertical-align: middle;
}
.composer-bar button.attach-file > svg {
  display: block;
  width: 19px;
  height: 19px;
  margin: 0;
  padding: 0;
  fill: currentColor;
  transform: none;
}
.composer-bar button.attach-file:hover {
  border-color: #0078d4 !important;
  color: #005a9e !important;
  background: #f3f9fd !important;
}
.composer-bar button.attach-file:disabled {
  opacity: .4;
  cursor: not-allowed;
}