Firefox Australis 标签页

人都是贱骨头，拥有的时候各种嫌弃，等到失去的时候才追悔莫及！各位渣男别多想，我说的是Firefox 29推出的 Australis 界面，椭圆形的标签页让用户吐槽不已，风水轮流转，看着隔壁的 chrome 用上了圆形标签页渣男们又直呼真香。别急，安排！

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      rgba(0,0,0,.1) 2px,
      rgba(0,0,0,.1)
    ),none!important;--newtab-hover:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' xmlns:svg='http://www.w3.org/2000/svg' width='30px' height='31px' preserveAspectRatio='none'><defs><svg:clipPath id='tab-curve-clip-path-start' clipPathUnits='objectBoundingBox'><svg:path d='m 1,0.065 0.05,0 0,0.938 -1,0 0,-0.028 C 0.32082458,0.95840561 0.4353096,0.81970962 0.48499998,0.5625 0.51819998,0.3905 0.535,0.0659 1,0.065 z'/></svg:clipPath><svg:clipPath id='tab-curve-clip-path-end' clipPathUnits='objectBoundingBox'><svg:path d='m 0,0.065 -0.05,0 0,0.938 1,0 0,-0.028 C 0.67917542,0.95840561 0.56569036,0.81970962 0.51599998,0.5625 0.48279998,0.3905 0.465,0.0659 0,0.065 z'/></svg:clipPath><svg:clipPath id='tab-hover-clip-path' clipPathUnits='objectBoundingBox'><svg:path d='M 0,0.2 0,1 1,1, 1,0.2 z'/></svg:clipPath></defs><foreignObject width='30' height='31' clip-path='url(%23tab-curve-clip-path-start)'><div id='tab-background-fill' style='background-color:rgba(0,0,0,.1);background-repeat:no-repeat;height:100%;width:100%;' xmlns='http://www.w3.org/1999/xhtml'></div></foreignObject></svg>"),linear-gradient(rgba(0,0,0,.1), rgba(0,0,0,.1)),url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' xmlns:svg='http://www.w3.org/2000/svg' width='30px' height='30px' preserveAspectRatio='none'><defs><svg:clipPath id='tab-curve-clip-path-start' clipPathUnits='objectBoundingBox'><svg:path d='m 1,0.065 0.05,0 0,0.938 -1,0 0,-0.028 C 0.32082458,0.95840561 0.4353096,0.81970962 0.48499998,0.5625 0.51819998,0.3905 0.535,0.0659 1,0.065 z'/></svg:clipPath><svg:clipPath id='tab-curve-clip-path-end' clipPathUnits='objectBoundingBox'><svg:path d='m 0,0.065 -0.05,0 0,0.938 1,0 0,-0.028 C 0.67917542,0.95840561 0.56569036,0.81970962 0.51599998,0.5625 0.48279998,0.3905 0.465,0.0659 0,0.065 z'/></svg:clipPath><svg:clipPath id='tab-hover-clip-path' clipPathUnits='objectBoundingBox'><svg:path d='M 0,0.2 0,1 1,1, 1,0.2 z'/></svg:clipPath></defs><foreignObject width='30' height='31' clip-path='url(%23tab-curve-clip-path-end)'><div id='tab-background-fill' style='background-color:rgba(0,0,0,.1);background-repeat:no-repeat;height:100%;width:100%;' xmlns='http://www.w3.org/1999/xhtml'></div></foreignObject></svg>")}
.tab-background[selected=true]::before{background-image:var(--svg-selected-before)!important}
.tab-background[selected=true]::after{background-image:var(--svg-selected-after)!important}
.tab-background[selected=true]>spacer{background-image:var(--background-selected-middle)!important}
.tabbrowser-tab:hover>.tab-stack>.tab-background:not([selected=true])::before{background-image:var(--svg-hover-before)!important}
.tabbrowser-tab:hover>.tab-stack>.tab-background:not([selected=true])::after{background-image:var(--svg-hover-after)!important}
.tabbrowser-tab:hover>.tab-stack>.tab-background:not([selected=true])>spacer{background-image:var(--background-hover-middle)!important}
#tabs-newtab-button:hover{background-image:var(--newtab-hover)!important}

将上面的 css 代码粘贴到 userChrome.css 文件里重启 Firefox 即可，已经适配默认、明亮、深邃主题。

详细步骤参考下面这篇文章：

如何使用 userChrome.css 自定义 Firefox 的用户界面

默认情况下，userChrome.css 文件不存在的，如果要进行调整，应该在 Firefox 配置文件夹中的适当位置创建该文件

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