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---
id: 6141026ec9882f2d39dcf2b8
title: Step 26
challengeType: 0
dashedName: step-26
---
# --description--
Between the `0%` and `100%` selectors, add a `50%` selector. This will apply in the middle of the animation cycle. Set the `background-color` to `purple` .
# --hints--
You should create a new `50%` selector in your `@keyframes cabins` rule.
```js
const rules = new __helpers.CSSHelp(document).getCSSRules('keyframes')?.[1]?.cssRules;
assert(rules?.[0]?.keyText === '50%' || rules?.[1]?.keyText === '50%' || rules?.[2]?.keyText === '50%');
```
Your `50%` selector should be between your `0%` and `100%` selectors.
```js
assert(new __helpers.CSSHelp(document).getCSSRules('keyframes')?.[1]?.cssRules?.[1]?.keyText === '50%');
```
Your `50%` selector should have a `background-color` property set to `purple` .
```js
assert(new __helpers.CSSHelp(document).getCSSRules('keyframes')?.[1]?.cssRules?.[1]?.style?.backgroundColor === 'purple');
```
# --seed--
## --seed-contents--
```html
<!DOCTYPE html>
< html >
< head >
< meta charset = "UTF-8" >
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< title > Ferris Wheel< / title >
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< link rel = "stylesheet" href = "./styles.css" >
< / head >
< body >
< div class = "wheel" >
< span class = "line" > < / span >
< span class = "line" > < / span >
< span class = "line" > < / span >
< span class = "line" > < / span >
< span class = "line" > < / span >
< span class = "line" > < / span >
< div class = "cabin" > < / div >
< div class = "cabin" > < / div >
< div class = "cabin" > < / div >
< div class = "cabin" > < / div >
< div class = "cabin" > < / div >
< div class = "cabin" > < / div >
< / div >
< / body >
< / html >
```
```css
.wheel {
border: 2px solid black;
border-radius: 50%;
margin-left: 50px;
position: absolute;
height: 55vw;
width: 55vw;
max-width: 500px;
max-height: 500px;
animation-name: wheel;
animation-duration: 10s;
animation-iteration-count: infinite;
animation-timing-function: linear;
}
.line {
background-color: black;
width: 50%;
height: 2px;
position: absolute;
top: 50%;
left: 50%;
transform-origin: 0% 0%;
}
.line:nth-of-type(2) {
transform: rotate(60deg);
}
.line:nth-of-type(3) {
transform: rotate(120deg);
}
.line:nth-of-type(4) {
transform: rotate(180deg);
}
.line:nth-of-type(5) {
transform: rotate(240deg);
}
.line:nth-of-type(6) {
transform: rotate(300deg);
}
.cabin {
background-color: red;
width: 20%;
height: 20%;
position: absolute;
border: 2px solid;
transform-origin: 50% 0%;
animation: cabins 10s ease-in-out infinite;
}
.cabin:nth-of-type(1) {
right: -8.5%;
top: 50%;
}
.cabin:nth-of-type(2) {
right: 17%;
top: 93.5%;
}
.cabin:nth-of-type(3) {
right: 67%;
top: 93.5%;
}
.cabin:nth-of-type(4) {
left: -8.5%;
top: 50%;
}
.cabin:nth-of-type(5) {
left: 17%;
top: 7%;
}
.cabin:nth-of-type(6) {
right: 17%;
top: 7%;
}
@keyframes wheel {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
--fcc-editable-region--
@keyframes cabins {
0% {
transform: rotate(0deg);
background-color: yellow;
}
100% {
transform: rotate(-360deg);
}
}
--fcc-editable-region--
```
## --solutions--
```html
<!DOCTYPE html>
< html >
< head >
< meta charset = "UTF-8" >
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< title > Ferris Wheel< / title >
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< link rel = "stylesheet" href = "./styles.css" >
< / head >
< body >
< div class = "wheel" >
< span class = "line" > < / span >
< span class = "line" > < / span >
< span class = "line" > < / span >
< span class = "line" > < / span >
< span class = "line" > < / span >
< span class = "line" > < / span >
< div class = "cabin" > < / div >
< div class = "cabin" > < / div >
< div class = "cabin" > < / div >
< div class = "cabin" > < / div >
< div class = "cabin" > < / div >
< div class = "cabin" > < / div >
< / div >
< / body >
< / html >
```
```css
.wheel {
border: 2px solid black;
border-radius: 50%;
margin-left: 50px;
position: absolute;
height: 55vw;
width: 55vw;
animation-name: wheel;
animation-duration: 10s;
animation-iteration-count: infinite;
animation-timing-function: linear;
}
.line {
background-color: black;
width: 50%;
height: 2px;
position: absolute;
top: 50%;
left: 50%;
transform-origin: 0% 0%;
}
.line:nth-of-type(2) {
transform: rotate(60deg);
}
.line:nth-of-type(3) {
transform: rotate(120deg);
}
.line:nth-of-type(4) {
transform: rotate(180deg);
}
.line:nth-of-type(5) {
transform: rotate(240deg);
}
.line:nth-of-type(6) {
transform: rotate(300deg);
}
.cabin {
background-color: red;
width: 20%;
height: 20%;
position: absolute;
border: 2px solid;
transform-origin: 50% 0%;
animation: cabins 10s ease-in-out infinite;
}
.cabin:nth-of-type(1) {
right: -8.5%;
top: 50%;
}
.cabin:nth-of-type(2) {
right: 17%;
top: 93.5%;
}
.cabin:nth-of-type(3) {
right: 67%;
top: 93.5%;
}
.cabin:nth-of-type(4) {
left: -8.5%;
top: 50%;
}
.cabin:nth-of-type(5) {
left: 17%;
top: 7%;
}
.cabin:nth-of-type(6) {
right: 17%;
top: 7%;
}
@keyframes wheel {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
@keyframes cabins {
0% {
transform: rotate(0deg);
background-color: yellow;
}
50% {
background-color: purple;
}
100% {
transform: rotate(-360deg);
}
}
```
