Text shadow
text-shadow:
0 0 0.25em blue,
0 0 0.65em blue;
text-shadow: to add one or more shadow text. This attribute is a comma-separated list of shadows, shading each two or three optional length values and a predetermined color value. Length is 0 is omitted.
h-shadow required. Horizontal position of the shadow. Allow negative.
v-shadow required. The vertical position of the shadow. Allow negative.
blur optional. Fuzzy distance.
color optional. Color of the shadow.
The reason why there can be a comma, because you can add multiple overlay shadow effect.
In the shadow box
-webkit-box-shadow: 10px 10px 50px 20px pink inset;/* Safari、Opera 以及 Chrome */
-moz-box-shadow: 10px 10px 50px 20px pink inset; /* 老的 Firefox */
box-shadow: 10px 10px 50px 20px pink inset;
box-shadow: to add one or more shadow frames. The property is a comma-separated list of shadow.
h-shadow required. Horizontal position of the shadow. Allow negative.
v-shadow required. The vertical position of the shadow. Allow negative.
blur optional. Fuzzy distance.
spread optional. Size of the shadow .
color optional. Color of the shadow.
inset optional. The outer shadow becomes internal.
Frame shadow
-webkit-filter: drop-shadow(10px 10px 0 pink); /* Safari、Opera 以及 Chrome */
filter: drop-shadow(10px 10px 0 pink);
drop-shadow: to add one or more shadow frames. The property is a comma-separated list of shadow.
h-shadow required. Horizontal position of the shadow. Allow negative.
v-shadow required. The vertical position of the shadow. Allow negative.
blur optional. Fuzzy distance.
spread optional. Size of the shadow .
However, there is a giant pit, explained that the file size can be shaded. The result, I did not test the effect of life and death. Finally, I found a document, he found a bunch of middle there is such a word, note: Webkit, and some other browsers do not support a fourth length, if added, it will not render.