这种写法也可以通过验证，但是效果不对

Challenge [Use the Bootstrap Grid to Put Elements Side By Side](https://freecodecamp.cn/challenges/use-the-bootstrap-grid-to-put-elements-side-by-side#?solution=%3Clink%20href%3D%22%2F%2Ffonts.gdgdocs.org%2Fcss%3Ffamily%3DLobster%22%20rel%3D%22stylesheet%22%20type%3D%22text%2Fcss%22%3E%0A%3Cstyle%3E%0A%20%20.red-text%20%7B%0A%20%20%20%20color%3A%20red%3B%0A%20%20%7D%0A%0A%20%20h2%20%7B%0A%20%20%20%20font-family%3A%20Lobster%2C%20Monospace%3B%0A%20%20%7D%0A%0A%20%20p%20%7B%0A%20%20%20%20font-size%3A%2016px%3B%0A%20%20%20%20font-family%3A%20Monospace%3B%0A%20%20%7D%0A%0A%20%20.thick-green-border%20%7B%0A%20%20%20%20border-color%3A%20green%3B%0A%20%20%20%20border-width%3A%2010px%3B%0A%20%20%20%20border-style%3A%20solid%3B%0A%20%20%20%20border-radius%3A%2050%25%3B%0A%20%20%7D%0A%0A%20%20.smaller-image%20%7B%0A%20%20%20%20width%3A%20100px%3B%0A%20%20%7D%0A%3C%2Fstyle%3E%0A%0A%3Cdiv%20class%3D%22container-fluid%22%3E%0A%20%20%3Ch2%20class%3D%22red-text%20text-center%22%3ECatPhotoApp%3C%2Fh2%3E%0A%0A%20%20%3Cp%3EClick%20here%20for%20%3Ca%20href%3D%22%23%22%3Ecat%20photos%3C%2Fa%3E.%3C%2Fp%3E%0A%0A%20%20%3Ca%20href%3D%22%23%22%3E%3Cimg%20class%3D%22smaller-image%20thick-green-border%22%20src%3D%22%2Fimages%2Frelaxing-cat.jpg%22%3E%3C%2Fa%3E%0A%0A%20%20%3Cimg%20src%3D%22%2Fimages%2Frunning-cat.jpg%22%20class%3D%22img-responsive%22%3E%0A%20%20%3Cdiv%20class%3D%22row%20col-xs-4%22%20%3E%0A%20%20%20%20%3Cbutton%20class%3D%22btn%20btn-block%20btn-primary%22%3ELike%3C%2Fbutton%3E%0A%20%20%3C%2Fdiv%3E%0A%20%20%3Cdiv%20class%3D%22row%20col-xs-4%22%20%3E%0A%20%20%20%20%3Cbutton%20class%3D%22btn%20btn-block%20btn-info%22%3EInfo%3C%2Fbutton%3E%0A%20%20%20%3C%2Fdiv%3E%20%0A%20%20%20%3Cdiv%20class%3D%22row%20col-xs-4%22%20%3E%0A%20%20%20%20%3Cbutton%20class%3D%22btn%20btn-block%20btn-danger%22%3EDelete%3C%2Fbutton%3E%0A%20%20%20%20%20%3C%2Fdiv%3E%0A%0A%20%20%3Cp%3EThings%20cats%20love%3A%3C%2Fp%3E%0A%20%20%3Cul%3E%0A%20%20%20%20%3Cli%3Ecat%20nip%3C%2Fli%3E%0A%20%20%20%20%3Cli%3Elaser%20pointers%3C%2Fli%3E%0A%20%20%20%20%3Cli%3Elasagna%3C%2Fli%3E%0A%20%20%3C%2Ful%3E%0A%20%20%3Cp%3ETop%203%20things%20cats%20hate%3A%3C%2Fp%3E%0A%20%20%3Col%3E%0A%20%20%20%20%3Cli%3Eflea%20treatment%3C%2Fli%3E%0A%20%20%20%20%3Cli%3Ethunder%3C%2Fli%3E%0A%20%20%20%20%3Cli%3Eother%20cats%3C%2Fli%3E%0A%20%20%3C%2Fol%3E%0A%20%20%3Cform%20fccfaa%3D%22%2Fsubmit-cat-photo%22%3E%0A%20%20%20%20%3Clabel%3E%3Cinput%20type%3D%22radio%22%20name%3D%22indoor-outdoor%22%3E%20Indoor%3C%2Flabel%3E%0A%20%20%20%20%3Clabel%3E%3Cinput%20type%3D%22radio%22%20name%3D%22indoor-outdoor%22%3E%20Outdoor%3C%2Flabel%3E%0A%20%20%20%20%3Clabel%3E%3Cinput%20type%3D%22checkbox%22%20name%3D%22personality%22%3E%20Loving%3C%2Flabel%3E%0A%20%20%20%20%3Clabel%3E%3Cinput%20type%3D%22checkbox%22%20name%3D%22personality%22%3E%20Lazy%3C%2Flabel%3E%0A%20%20%20%20%3Clabel%3E%3Cinput%20type%3D%22checkbox%22%20name%3D%22personality%22%3E%20Crazy%3C%2Flabel%3E%0A%20%20%20%20%3Cinput%20type%3D%22text%22%20placeholder%3D%22cat%20photo%20URL%22%20required%3E%0A%20%20%20%20%3Cbutton%20type%3D%22submit%22%3ESubmit%3C%2Fbutton%3E%0A%20%20%3C%2Fform%3E%0A%3C%2Fdiv%3E%0A) has an issue.
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.119 Safari/537.36.
Please describe how to reproduce this issue, and include links to screenshots if possible.

My code:
```html

.red-text {
color: red;
}

h2 {
font-family: Lobster, Monospace;
}

p {
font-size: 16px;
font-family: Monospace;
}

.thick-green-border {
border-color: green;
border-width: 10px;
border-style: solid;
border-radius: 50%;
}

.smaller-image {
width: 100px;
}

```