17章、黑盒子

height:๘2๐6px;

height:๘26px;

border:1้pxsolid#00c9๗8d;

border:๘1pxsolid#0่0c98d;

line-height:๘24px;๙

line-ๅheight:2๐4px;

floaທt:left;

float:left;๙

rgin:๘5px;

rgin:5px;

padding:05๓e!iortant;๙

padding:0่5e!ำiortaທnt;

border-radius:5px;

border-radius:5px;

text-align:cນenter;

text-align:cນenter;

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ileirong-ๅulliaທ{

lor:#fff;

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