span.multiselect-native-select {
  position: relative;
}

  span.multiselect-native-select select {
    border: 0 !important;
    clip: rect(0 0 0 0) !important;
    height: 1px !important;
    margin: -1px -1px -1px -3px !important;
    overflow: hidden !important;
    padding: 0 !important;
    position: absolute !important;
    width: 1px !important;
    left: 50%;
    top: 30px;
  }

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

  .multiselect-container .input-group {
    margin: 5px;
  }

  .multiselect-container .multiselect-reset .input-group {
    width: 93%;
  }

  .multiselect-container > li {
    padding: 0;
  }

    .multiselect-container > li > a.multiselect-all label {
      font-weight: 700;
    }

    .multiselect-container > li.multiselect-group label {
      margin: 0;
      padding: 3px 20px;
      height: 100%;
      font-weight: 700;
    }

    .multiselect-container > li.multiselect-group-clickable label {
      cursor: pointer;
    }

    .multiselect-container > li > a {
      padding: 0;
    }

      .multiselect-container > li > a > label {
        margin: 0;
        height: 100%;
        cursor: pointer;
        font-weight: 400;
        padding: 3px 20px 3px 40px;
      }

        .multiselect-container > li > a > label.checkbox, .multiselect-container > li > a > label.radio {
          margin: 0;
        }

        .multiselect-container > li > a > label > 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;
}

.form-inline .multiselect-container label.checkbox, .form-inline .multiselect-container label.radio {
  padding: 3px 20px 3px 40px;
}

.form-inline .multiselect-container li a label.checkbox input[type=checkbox], .form-inline .multiselect-container li a label.radio input[type=radio] {
  margin-left: -20px;
  margin-right: 0;
}