vant/src/nav-bar/index.less

@import '../style/var';

.van-nav-bar {
  position: relative;
  z-index: @nav-bar-z-index;
  height: @nav-bar-height;
  line-height: @nav-bar-height;
  text-align: center;
  background-color: @nav-bar-background-color;
  user-select: none;

  .van-icon {
    color: @nav-bar-icon-color;
    vertical-align: middle;
  }

  &__arrow {
    min-width: 1em;
    font-size: @nav-bar-arrow-size;

    + .van-nav-bar__text {
      margin-left: -20px;
      padding-left: 25px;
    }
  }

  &--fixed {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
  }

  &__title {
    max-width: 60%;
    margin: 0 auto;
    color: @nav-bar-title-text-color;
    font-weight: @font-weight-bold;
    font-size: @nav-bar-title-font-size;
  }

  &__left,
  &__right {
    position: absolute;
    bottom: 0;
    font-size: @font-size-md;
    cursor: pointer;
  }

  &__left {
    left: @padding-md;
  }

  &__right {
    right: @padding-md;
  }

  &__text {
    display: inline-block;
    margin: 0 -@padding-md;
    padding: 0 @padding-md;
    color: @nav-bar-text-color;
    vertical-align: middle;

    &:active {
      background-color: @active-color;
    }
  }
}