UserCSS:Unsplash
Unsplashを使い背景画像を変更する
code:style.css
body {
/* */
background-size: contain; /* */
/* background-size: cover; /* */
/* background-size: 100% auto; /* 横幅を100%にして算出 */
/* background: url('https://source.unsplash.com/featured/?christmas-background'); /* */
/*background: url('https://source.unsplash.com/featured/?christmas'); /* */
/*background: url('https://source.unsplash.com/featured/?happy-holidays'); /* */
background: url('https://source.unsplash.com/random/1440x900'); /* */
}
UserCSS.icon
https://img.shields.io/badge/UserCSS-Unsplash-1572B6.svg?logo=css3&style=for-the-badge