limesurvey_ynh/sources/third_party/bootstrap-multiselect/less/bootstrap-multiselect.less

.multiselect-container {
  position: absolute;
  list-style-type: none;
  margin: 0;
  padding: 0;
  
  .input-group {
    margin: 5px;
  }

  > li {
    padding: 0;

    > a.multiselect-all label {
      font-weight: bold;
    }

    > label.multiselect-group {
      margin: 0;
      padding: 3px 20px 3px 20px;
      height: 100%;
      font-weight: bold;
    }

    > a {

      > label {
        margin: 0;
        height: 100%;
        cursor: pointer;
        font-weight: normal;

        &.radio, &.checkbox {
          margin: 0;
        }

        > input[type="checkbox"] {
          margin-bottom:5px;
        }

      }
    }
  }
}

.btn-group > .btn-group:nth-child(2) > .multiselect.btn {
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
}