幽灵资源网 Design By www.bzswh.com
运行效果:
html
<!-- This element is not visible. The DOM is generated by JavaScript --> <div class="root" style="display: none;"> <div> <div class="side left"></div> <div class="side top"></div> <div class="side right"></div> <div class="side bottom"></div> </div> </div>
CSS
body { margin: 0; width: 100vw; height: 100vh; background: #010326; } .root { --glow_width: 2px; --animation_length: 2s; --delay_factor: 2; position: absolute; left: 50%; top: 50%; width: 300px; height: 300px; transform: translate(-50%, -50%) rotate(45deg); /* Uncomment the line below to see how this system is set up */ /* border: 1px dashed red; */ overflow: hidden; } .side { position: absolute; top: 0; left: 0; } .side.left, .side.right { width: var(--glow_width); height: 0; background: linear-gradient(to bottom, transparent, #c03225, transparent); animation: heightAnim var(--animation_length) linear infinite, hider calc(var(--delay_factor) * var(--animation_length)) var(--animation_length) infinite; } .side.top, .side.bottom { width: 100%; height: var(--glow_width); background: linear-gradient(to left, transparent, #c03225, transparent); animation: widthAnim var(--animation_length) 0s linear infinite, hider calc(var(--delay_factor) * var(--animation_length)) var(--animation_length) infinite; } .side.right { left: auto; right: 0; height: 0; animation-delay: calc(var(--animation_length) / 2); animation-direction: normal, reverse; } .side.bottom { top: auto; bottom: 0; width: 0; animation-delay: calc(var(--animation_length) / 2); animation-direction: normal, reverse; } @keyframes heightAnim { 0% { height: 0px; } 50% { height: 300px; transform: initial; } 100% { transform: translate(0, 300px); } } @keyframes widthAnim { 0% { width: 0px; } 50% { width: 300px; transform: initial; } 100% { transform: translate(300px, 0px); } } @keyframes hider { 0%, 50% { opacity: 0; } 51%, 100% { opacity: 1; } }
js
let template = `<div class="root" style="transform: translate(-50%, -50%) rotate({{ value }})"> <div> <div class="side left"></div> <div class="side top"></div> <div class="side right"></div> <div class="side bottom"></div> </div> </div>` let segments = 9 for(let i = -segments; i < segments; i++){ document.body.innerHTML += template.replace("{{ value }}", 90/segments * i + "deg") } // document.body.innerHTML += template.replace("{{ value }}", 90/segments * 0 + "deg")
以上就是CSS3 实现发光边框特效的详细内容,更多关于CSS3 发光边框特效的资料请关注其它相关文章!
幽灵资源网 Design By www.bzswh.com
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幽灵资源网 Design By www.bzswh.com
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