freeCodeCamp/curriculum/challenges/english/01-responsive-web-design/css-variables-skyline/part-080.md

12 KiB

id title challengeType dashedName
5d822fd413a79914d39e9919 Part 80 0 part-80

--description--

When you make the left and right borders bigger, the border on the bottom will expand to be the width of the combined left and right border widths. Add 2vw solid transparent; as the value of the border-left and border-right properties of fb1a. They will be invisible, but it will make the border on the bottom 4vw wide.

--hints--

test-text

const fb1a = code.match(/\.fb1a\s*{[\s\S]+?[^}]}/g)[0];
assert(
  /border-left\s*:\s*2vw\s+solid\s+transparent\s*(;|})/g.test(fb1a) &&
    /border-right\s*:\s*2vw\s+solid\s+transparent\s*(;|})/g.test(fb1a)
);

--seed--

--seed-contents--

<!DOCTYPE html>
<html>    
  <head>
    <title>freeCodeCamp Skyline Project</title>
    <style>
      :root {
        --building-color1: #aa80ff;
        --building-color2: #66cc99;
        --building-color3: #cc6699;
        --building-color4: #538cc6;
        --window-color1: black;
        --window-color2: #8cd9b3;
        --window-color3: #d98cb3;
        --window-color4: #8cb3d9;
      }

      * {
        border: 1px solid black;
        box-sizing: border-box;
      }

      body {
        height: 100vh;
        margin: 0;
        overflow: hidden;
      }

      .background-buildings, .foreground-buildings {
        width: 100%;
        height: 100%;
        display: flex;
        align-items: flex-end;
        justify-content: space-evenly;
        position: absolute;
        top: 0;
      }
      
      .building-wrap {
        display: flex;
        flex-direction: column;
        align-items: center;
      }

      .window-wrap {
        display: flex;
        align-items: center;
        justify-content: space-evenly;
      }

      /* BACKGROUND BUILDINGS - "bb" stands for "background building" */
      .bb1 {
        width: 10%;
        height: 70%;
      }

      .bb1a {
        width: 70%;
      }
  
      .bb1b {
        width: 80%;
      }
  
      .bb1c {
        width: 90%;
      }

      .bb1d {
        width: 100%;
        height: 70%;
        background: linear-gradient(
            var(--building-color1) 50%,
            var(--window-color1)
          );
      }

      .bb1-window {
        height: 10%;
        background: linear-gradient(
            var(--building-color1),
            var(--window-color1)
          );
      }

      .bb2 {
        width: 10%;
        height: 50%;
      }

      .bb2a {
        border-bottom: 5vh solid var(--building-color2);
        border-left: 5vw solid transparent;
        border-right: 5vw solid transparent;
      }

      .bb2b {
        width: 100%;
        height: 100%;
        background: repeating-linear-gradient(
            var(--building-color2),
            var(--building-color2) 6%,
            var(--window-color2) 6%,
            var(--window-color2) 9%
          );
      }
      
      .bb3 {
        width: 10%;
        height: 55%;
        background: repeating-linear-gradient(
            90deg,
            var(--building-color3),
            var(--building-color3),
            var(--window-color3) 15%
          );
      }

      .bb4 {
        width: 11%;
        height: 58%;
      }

      .bb4a {
        width: 3%;
        height: 10%;
        background-color: var(--building-color4);
      }

      .bb4b {
        width: 80%;
        height: 5%;
        background-color: var(--building-color4);
      }
  
      .bb4c {
        width: 100%;
        height: 85%;
        background-color: var(--building-color4);
      }

      .bb4-window {
        width: 18%;
        height: 90%;
        background-color: var(--window-color4);
      }

      /* FOREGROUND BUILDINGS - "fb" stands for "foreground building" */
      .fb1 {
        width: 10%;
        height: 60%;
      }

      .fb1a {
        border-bottom: 7vh solid var(--building-color4);
      }

      .fb1b {
        width: 60%;
        height: 10%;
        background-color: var(--building-color4);
      }
  
      .fb1c {
        width: 100%;
        height: 80%;
        background: repeating-linear-gradient(
            90deg,
            var(--building-color4),
            var(--building-color4) 10%,
            transparent 10%,
            transparent 15%
          ),
          repeating-linear-gradient(
            var(--building-color4),
            var(--building-color4) 10%,
            var(--window-color4) 10%,
            var(--window-color4) 90%
          );
      }

      .fb2 {
        width: 10%;
        height: 40%;
        background-color: var(--building-color3);
      }

      .fb3 {
        width: 10%;
        height: 35%;
        background-color: var(--building-color1);
      }
  
      .fb4 {
        width: 8%;
        height: 45%;
        background-color: var(--building-color1);
        position: relative;
        left: 10%;
      }
      
      .fb5 {
        width: 10%;
        height: 33%;
        background-color: var(--building-color2);
        position: relative;
        right: 10%;
      }

      .fb6 {
        width: 9%;
        height: 38%;
        background-color: var(--building-color3);
      }
    </style>
  </head>

  <body>
    <div class="background-buildings">
      <div></div>
      <div></div>
      <div class="bb1 building-wrap">
        <div class="bb1a bb1-window"></div>
        <div class="bb1b bb1-window"></div>
        <div class="bb1c bb1-window"></div>
        <div class="bb1d"></div>
      </div>
      <div class="bb2">
        <div class="bb2a"></div>
        <div class="bb2b"></div>
      </div>
      <div class="bb3"></div>
      <div></div>
      <div class="bb4 building-wrap">
        <div class="bb4a"></div>
        <div class="bb4b"></div>
        <div class="bb4c window-wrap">
          <div class="bb4-window"></div>
          <div class="bb4-window"></div>
          <div class="bb4-window"></div>
          <div class="bb4-window"></div>
        </div>
      </div>
      <div></div>
      <div></div>
    </div>

    <div class="foreground-buildings">
      <div></div>
      <div></div>
      <div class="fb1 building-wrap">
        <div class="fb1a"></div>
        <div class="fb1b"></div>
        <div class="fb1c"></div>
      </div>
      <div class="fb2"></div>
      <div></div>
      <div class="fb3"></div>
      <div class="fb4"></div>
      <div class="fb5"></div>
      <div class="fb6"></div>
      <div></div>
      <div></div>
    </div>
  </body>
</html>

--solutions--

<!DOCTYPE html>
<html>    
  <head>
    <title>freeCodeCamp Skyline Project</title>
    <style>
      :root {
        --building-color1: #aa80ff;
        --building-color2: #66cc99;
        --building-color3: #cc6699;
        --building-color4: #538cc6;
        --window-color1: black;
        --window-color2: #8cd9b3;
        --window-color3: #d98cb3;
        --window-color4: #8cb3d9;
      }

      * {
        border: 1px solid black;
        box-sizing: border-box;
      }

      body {
        height: 100vh;
        margin: 0;
        overflow: hidden;
      }

      .background-buildings, .foreground-buildings {
        width: 100%;
        height: 100%;
        display: flex;
        align-items: flex-end;
        justify-content: space-evenly;
        position: absolute;
        top: 0;
      }
      
      .building-wrap {
        display: flex;
        flex-direction: column;
        align-items: center;
      }

      .window-wrap {
        display: flex;
        align-items: center;
        justify-content: space-evenly;
      }

      /* BACKGROUND BUILDINGS - "bb" stands for "background building" */
      .bb1 {
        width: 10%;
        height: 70%;
      }

      .bb1a {
        width: 70%;
      }
  
      .bb1b {
        width: 80%;
      }
  
      .bb1c {
        width: 90%;
      }

      .bb1d {
        width: 100%;
        height: 70%;
        background: linear-gradient(
            var(--building-color1) 50%,
            var(--window-color1)
          );
      }

      .bb1-window {
        height: 10%;
        background: linear-gradient(
            var(--building-color1),
            var(--window-color1)
          );
      }

      .bb2 {
        width: 10%;
        height: 50%;
      }

      .bb2a {
        border-bottom: 5vh solid var(--building-color2);
        border-left: 5vw solid transparent;
        border-right: 5vw solid transparent;
      }

      .bb2b {
        width: 100%;
        height: 100%;
        background: repeating-linear-gradient(
            var(--building-color2),
            var(--building-color2) 6%,
            var(--window-color2) 6%,
            var(--window-color2) 9%
          );
      }
      
      .bb3 {
        width: 10%;
        height: 55%;
        background: repeating-linear-gradient(
            90deg,
            var(--building-color3),
            var(--building-color3),
            var(--window-color3) 15%
          );
      }

      .bb4 {
        width: 11%;
        height: 58%;
      }

      .bb4a {
        width: 3%;
        height: 10%;
        background-color: var(--building-color4);
      }

      .bb4b {
        width: 80%;
        height: 5%;
        background-color: var(--building-color4);
      }
  
      .bb4c {
        width: 100%;
        height: 85%;
        background-color: var(--building-color4);
      }

      .bb4-window {
        width: 18%;
        height: 90%;
        background-color: var(--window-color4);
      }

      /* FOREGROUND BUILDINGS - "fb" stands for "foreground building" */
      .fb1 {
        width: 10%;
        height: 60%;
      }

      .fb1a {
        border-bottom: 7vh solid var(--building-color4);
        border-left: 2vw solid transparent;
        border-right: 2vw solid transparent;
      }

      .fb1b {
        width: 60%;
        height: 10%;
        background-color: var(--building-color4);
      }
  
      .fb1c {
        width: 100%;
        height: 80%;
        background: repeating-linear-gradient(
            90deg,
            var(--building-color4),
            var(--building-color4) 10%,
            transparent 10%,
            transparent 15%
          ),
          repeating-linear-gradient(
            var(--building-color4),
            var(--building-color4) 10%,
            var(--window-color4) 10%,
            var(--window-color4) 90%
          );
      }

      .fb2 {
        width: 10%;
        height: 40%;
        background-color: var(--building-color3);
      }

      .fb3 {
        width: 10%;
        height: 35%;
        background-color: var(--building-color1);
      }
  
      .fb4 {
        width: 8%;
        height: 45%;
        background-color: var(--building-color1);
        position: relative;
        left: 10%;
      }
      
      .fb5 {
        width: 10%;
        height: 33%;
        background-color: var(--building-color2);
        position: relative;
        right: 10%;
      }

      .fb6 {
        width: 9%;
        height: 38%;
        background-color: var(--building-color3);
      }
    </style>
  </head>

  <body>
    <div class="background-buildings">
      <div></div>
      <div></div>
      <div class="bb1 building-wrap">
        <div class="bb1a bb1-window"></div>
        <div class="bb1b bb1-window"></div>
        <div class="bb1c bb1-window"></div>
        <div class="bb1d"></div>
      </div>
      <div class="bb2">
        <div class="bb2a"></div>
        <div class="bb2b"></div>
      </div>
      <div class="bb3"></div>
      <div></div>
      <div class="bb4 building-wrap">
        <div class="bb4a"></div>
        <div class="bb4b"></div>
        <div class="bb4c window-wrap">
          <div class="bb4-window"></div>
          <div class="bb4-window"></div>
          <div class="bb4-window"></div>
          <div class="bb4-window"></div>
        </div>
      </div>
      <div></div>
      <div></div>
    </div>

    <div class="foreground-buildings">
      <div></div>
      <div></div>
      <div class="fb1 building-wrap">
        <div class="fb1a"></div>
        <div class="fb1b"></div>
        <div class="fb1c"></div>
      </div>
      <div class="fb2"></div>
      <div></div>
      <div class="fb3"></div>
      <div class="fb4"></div>
      <div class="fb5"></div>
      <div class="fb6"></div>
      <div></div>
      <div></div>
    </div>
  </body>
</html>