Mailspring/static/components/empty-state.less

@import "ui-variables";

@duration: 1s;

.empty-state {
  position:absolute;
  display: none;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 1002;
  overflow:hidden;

  > div {
    opacity:0;
    -webkit-transition: opacity @duration ease-out;
    width:100%;
    height: 100%;
    min-width: 840px;
    min-height: 650px;
    position: absolute;
    transform: translate(-50%, -50%);
    left: 50%;
    top: 50%;

    .message {
      opacity:0;
      -webkit-user-select: text;
      -webkit-transition: opacity @duration ease-in;
      -webkit-transition-delay: 0.6s;
      top:45%;
      left:50%;
      transform: translate(-50%, -50%);
      width:50%;
      min-width: 500px;
      position: absolute;
      color: @text-color-very-subtle;
      font-size: 28px;
      font-weight: @font-weight-blond;
      text-align: center;

      // Sequences of whitespace are collapsed. Lines are broken at
      // newline characters, at <br>, and as necessary to fill line boxes.
      white-space: pre-line;

      .byline {
        padding-top:25px;
        font-size:14px;
        color: fade(@text-color-very-subtle, 50%);
      }
    }

    .top-left {
      -webkit-transition: all @duration ease-out;
      position:absolute;
      top:-10px;
      left:-20px;
    }

    .top-right {
      -webkit-transition: all @duration ease-out;
      position:absolute;
      top:-10px;
      right:-20px;
    }

    .bottom-left {
      -webkit-transition: all @duration ease-out;
      position:absolute;
      bottom:-10px;
      left:-20px;
    }

    .bottom-right {
      -webkit-transition: all @duration ease-out;
      position:absolute;
      bottom:-10px;
      right:-20px;
    }
  }

  &.visible {
    display:block;
  }

  &.active {
    > div {
      opacity:1;

      .message {
        opacity:1;
      }

      .top-left {
        top:0;
        left:0;
      }

      .top-right {
        top:0;
        right:0;
      }

      .bottom-left {
        bottom:0;
        left:0;
      }

      .bottom-right {
        bottom:0;
        right:0;
      }
    }
  }
}