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| #root, .App, body, html { min-height: 70vh; margin: 0; padding: 0; margin-top: 1% !important }
#bg { -moz-transform: scale(1); -webkit-transform: scale(1); -ms-transform: scale(1); transform: scale(1); -webkit-backface-visibility: hidden; position: fixed; top: 0; left: 0; width: 100%; height: 100vh; z-index: -2 }
#bg:after, #bg:before { content: ''; display: block; position: absolute; top: 0; left: 0; width: 100%; height: 100% }
#bg:before { -moz-transition: background-color 2.5s ease-in-out .75s; -webkit-transition: background-color 2.5s ease-in-out .75s; -ms-transition: background-color 2.5s ease-in-out; transition: background-color 2.5s ease-in-out .75s; -ms-transition-delay: .75s; background-image: linear-gradient(to top, rgba(255, 255, 255, .4), rgba(255, 255, 255, .4)), url(https://jitsu.oss-cn-beijing.aliyuncs.com/home/img/overlay.png); background-size: auto, 256px 256px; background-position: center, center; background-repeat: no-repeat, repeat; z-index: 2 }
#bg:after { -moz-transform: scale(1.125); -webkit-transform: scale(1.125); -ms-transform: scale(1.125); transform: scale(1.125); -moz-transition: -moz-transform 325ms ease-in-out, -moz-filter 325ms ease-in-out; -webkit-transition: -webkit-transform 325ms ease-in-out, -webkit-filter 325ms ease-in-out; -ms-transition: -ms-transform 325ms ease-in-out, -ms-filter 325ms ease-in-out; transition: transform 325ms ease-in-out, filter 325ms ease-in-out; background-image: url(example_PC.com); //example.com替换为PC壁纸url background-position: center; background-size: cover; background-repeat: no-repeat; z-index: 1 }
@media screen and (max-width:960px) { #bg:after { -moz-transform: scale(1.125); -webkit-transform: scale(1.125); -ms-transform: scale(1.125); transform: scale(1.125); -moz-transition: -moz-transform 325ms ease-in-out, -moz-filter 325ms ease-in-out; -webkit-transition: -webkit-transform 325ms ease-in-out, -webkit-filter 325ms ease-in-out; -ms-transition: -ms-transform 325ms ease-in-out, -ms-filter 325ms ease-in-out; transition: transform 325ms ease-in-out, filter 325ms ease-in-out; background-image: url(example.com); //example.com替换为PE壁纸url background-position: center; background-size: cover; background-repeat: no-repeat; z-index: 1 } }
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