css实现dna旋转动画效果代码
代码语言:html
所属分类:动画
代码描述:css实现dna旋转动画效果代码
下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html> <html lang="en" > <head> <meta charset="UTF-8"> <style> :root{ --rotate: -26deg; /* to make it responsive */ --unit: 1vmin; --zoom: 160; --workspace-min: 768; /* device screen height = 768px */ --upx: calc(var(--zoom) * (var(--unit) / var(--workspace-min))); /* upx = units per pixel */ /* DNA Helix loop */ --animation-speed: 1; --helix-duration: 0.5s; --helix-iteration-factor: 0.05s; /* DNA model */ --dna-max-height: calc(140 * var(--upx)); --dna-nitrogenous-base-width: calc(6 * var(--upx)); --dna-nitrogenous-base-margin: calc(8 * var(--upx)); --dna-sugar-diameter: calc(15 * var(--upx)); --dna-sugar-border-size: calc(6 * var(--upx)); /* colors */ --color-background: #151515; --color-sugar: #f2f1d5; --color-A: #ffba36; --color-T: #26f826; --color-C: #439AD9; --color-G: #E96451; } /* rotate the dna container for smart mobile devices */ @media (orientation: portrait){ :root{ --rotate: -58deg; } } /* to make things look pretty */ html, body{ padding: 0; margin: 0; width: 100%; height: 100%; display: block; } body{ background: var(--color-background); overflow: auto; } html{ scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.4) rgba(0,0,0,0); } /* align the DNA to middle */ .wrapper{ position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(var(--rotate)); transform-origin: 50% 50%; } /* DNA is a flex container with n-double helix */ .dna{ display: flex; align-items: center; position: relative; height: var(--dna-max-height); } /* helix (nitrogenous base) */ .dna > div{ font-size: 0; position: relative; width: var(--dna-nitrogenous-base-width); height: 0; background: linear-gradient(0deg, var(--color-G) 50%, var(--color-C) 50%); display: inline-block; margin: 0 var(--dna-nitrogenous-base-margin); animation: double-helix ease calc(var(--helix-duration) / var(--animation-speed)) calc((var(--i) * var(--helix-iteration-factor)) / var(--animation-speed)) alternate infinite; } .dna > div:nth-child(2n.........完整代码请登录后点击上方下载按钮下载查看
网友评论0