$headbar-z-index: 1;

.head-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: $headbar-z-index;
  background-color: #fff;
  box-sizing: border-box;
  height: $headbar-height;
  display: flex;
  padding: 0 $headbar-height;
  align-items: center;
  justify-content: center;

  .head-btn {
    position: absolute;
    top: 0;
    height: 100%;

    &.left {
      left: 0;
      right: auto;

      .button {
        padding-left: $padding;
      }
    }

    &.right {
      left: auto;
      right: 0;
      .button {
        padding-right: $padding;
        text-align: right;
      }
    }
  }

  .title {
    font-size: 18px;
    color: $color-title;
  }

  .button {
    background-color: transparent;
    border: 0;
    outline: none;
    display: block;
    height: 100%;
    min-width: $headbar-height;
    text-align: left;
    font-size: 18px;
    color: $color-title;
  }
}