wekan/client/components/boards/boardHeader.styl

.integration-form
  padding: 5px
  border-bottom: 1px solid #ccc

.flex
  display: -webkit-box
  display: -moz-box
  display: -webkit-flex
  display: -moz-flex
  display: -ms-flexbox
  display: flex

.option
  @extends .flex
  -webkit-border-radius: 3px;
  border-radius: 3px;
  background: #fff;
  text-decoration: none;
  -webkit-box-shadow: 0 1px 2px rgba(0,0,0,0.2);
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
  margin-top: 5px;
  padding: 5px;