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材料设计高度正确的CSS

cssmaterial-design
12

我似乎找不到所有材料设计卡片高程度的官方CSS代码。

计算所有材料设计高程度的阴影值

我已经阅读了这些答案，但它们与谷歌在http://www.google.com上搜索框上使用的box-shadow不一致。

谷歌在搜索框上使用的box-shadow CSS如下：

box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.16), 0 0 0 1px rgba(0, 0, 0, 0.08);

是否有适用于所有高程的官方CSS？

请问您需要哪些高程指南，是针对卡片、按钮还是其他？此外，官方指南可以在https://material.io/guidelines/components/cards.html#cards-content-blocks（“在这种情况下为卡片”）找到。 - Collins Abitekaniza
@CollinsA 我感兴趣的是卡片，我更新了问题。 - Tn Hn
3个回答
5
根据 Google 的 https://material.io/design/environment/elevation.html，卡片在静止时应具有 2dp 的高度，在抬起时应具有 8dp 的高度。

enter image description here

根据https://pixplicity.com所述，

ldpi    @ 1.00dp    = 0.75px    = 1.00sp    = 0.16mm    = 0.01in    = 0.45pt
mdpi    @ 1.00dp    = 1.00px    = 1.00sp    = 0.16mm    = 0.01in    = 0.45pt
tvdpi   @ 1.00dp    = 1.33px    = 1.00sp    = 0.16mm    = 0.01in    = 0.45pt
hdpi    @ 1.00dp    = 1.50px    = 1.00sp    = 0.16mm    = 0.01in    = 0.45pt
xhdpi   @ 1.00dp    = 2.00px    = 1.00sp    = 0.16mm    = 0.01in    = 0.45pt
xxhdpi  @ 1.00dp    = 3.00px    = 1.00sp    = 0.16mm    = 0.01in    = 0.45pt
xxxhdpi @ 1.00dp    = 4.00px    = 1.00sp    = 0.16mm    = 0.01in    = 0.45pt

尝试使用以下转换来获取CSS中的盒子阴影大小。

注意：在桌面上，静止高度为0dp

高度并不是问题，问题在于阴影投射的位置以及卡片每一侧有多少像素。 - Tn Hn
3
2
对于所有阴影，你可以使用material-components-web库，它使用SCSS生成CSS类。演示和其他资源在这里。 请参阅链接获取完整详情，但变量为：
$mdc-elevation-baseline-color: black;
$mdc-elevation-umbra-opacity: .2;
$mdc-elevation-penumbra-opacity: .14;
$mdc-elevation-ambient-opacity: .12;

$mdc-elevation-umbra-map: (
  0: "0px 0px 0px 0px",
  1: "0px 2px 1px -1px",
  2: "0px 3px 1px -2px",
  3: "0px 3px 3px -2px",
  4: "0px 2px 4px -1px",
  5: "0px 3px 5px -1px",
  6: "0px 3px 5px -1px",
  7: "0px 4px 5px -2px",
  8: "0px 5px 5px -3px",
  9: "0px 5px 6px -3px",
  10: "0px 6px 6px -3px",
  11: "0px 6px 7px -4px",
  12: "0px 7px 8px -4px",
  13: "0px 7px 8px -4px",
  14: "0px 7px 9px -4px",
  15: "0px 8px 9px -5px",
  16: "0px 8px 10px -5px",
  17: "0px 8px 11px -5px",
  18: "0px 9px 11px -5px",
  19: "0px 9px 12px -6px",
  20: "0px 10px 13px -6px",
  21: "0px 10px 13px -6px",
  22: "0px 10px 14px -6px",
  23: "0px 11px 14px -7px",
  24: "0px 11px 15px -7px"
);

$mdc-elevation-penumbra-map: (
  0: "0px 0px 0px 0px",
  1: "0px 1px 1px 0px",
  2: "0px 2px 2px 0px",
  3: "0px 3px 4px 0px",
  4: "0px 4px 5px 0px",
  5: "0px 5px 8px 0px",
  6: "0px 6px 10px 0px",
  7: "0px 7px 10px 1px",
  8: "0px 8px 10px 1px",
  9: "0px 9px 12px 1px",
  10: "0px 10px 14px 1px",
  11: "0px 11px 15px 1px",
  12: "0px 12px 17px 2px",
  13: "0px 13px 19px 2px",
  14: "0px 14px 21px 2px",
  15: "0px 15px 22px 2px",
  16: "0px 16px 24px 2px",
  17: "0px 17px 26px 2px",
  18: "0px 18px 28px 2px",
  19: "0px 19px 29px 2px",
  20: "0px 20px 31px 3px",
  21: "0px 21px 33px 3px",
  22: "0px 22px 35px 3px",
  23: "0px 23px 36px 3px",
  24: "0px 24px 38px 3px"
);

$mdc-elevation-ambient-map: (
  0: "0px 0px 0px 0px",
  1: "0px 1px 3px 0px",
  2: "0px 1px 5px 0px",
  3: "0px 1px 8px 0px",
  4: "0px 1px 10px 0px",
  5: "0px 1px 14px 0px",
  6: "0px 1px 18px 0px",
  7: "0px 2px 16px 1px",
  8: "0px 3px 14px 2px",
  9: "0px 3px 16px 2px",
  10: "0px 4px 18px 3px",
  11: "0px 4px 20px 3px",
  12: "0px 5px 22px 4px",
  13: "0px 5px 24px 4px",
  14: "0px 5px 26px 4px",
  15: "0px 6px 28px 5px",
  16: "0px 6px 30px 5px",
  17: "0px 6px 32px 5px",
  18: "0px 7px 34px 6px",
  19: "0px 7px 36px 6px",
  20: "0px 8px 38px 7px",
  21: "0px 8px 40px 7px",
  22: "0px 8px 42px 7px",
  23: "0px 9px 44px 8px",
  24: "0px 9px 46px 8px"
);
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