Riferimento CSS

Riferimento CSS Supporto del browser CSS Selettori CSS Funzioni CSS CSS di riferimento sonoro Font sicuri per il Web CSS Font CSS di riserva CSS Animabile Unità CSS Convertitore CSS PX-EM Colori CSS Valori di colore CSS Valori predefiniti CSS Entità CSS

CSS Properties

align-content align-items align-self all animation animation-delay animation-direction animation-duration animation-fill-mode animation-iteration-count animation-name animation-play-state animation-timing-function backface-visibility background background-attachment background-blend-mode background-clip background-color background-image background-origin background-position background-repeat background-size border border-bottom border-bottom-color border-bottom-left-radius border-bottom-right-radius border-bottom-style border-bottom-width border-collapse border-color border-image border-image-outset border-image-repeat border-image-slice border-image-source border-image-width border-left border-left-color border-left-style border-left-width border-radius border-right border-right-color border-right-style border-right-width border-spacing border-style border-top border-top-color border-top-left-radius border-top-right-radius border-top-style border-top-width border-width bottom box-decoration-break box-shadow box-sizing break-after break-before break-inside caption-side caret-color @charset clear clip clip-path color column-count column-fill column-gap column-rule column-rule-color column-rule-style column-rule-width column-span column-width columns content counter-increment counter-reset cursor direction display empty-cells filter flex flex-basis flex-direction flex-flow flex-grow flex-shrink flex-wrap float font @font-face font-family font-feature-settings font-kerning font-size font-size-adjust font-stretch font-style font-variant font-variant-caps font-weight gap grid grid-area grid-auto-columns grid-auto-flow grid-auto-rows grid-column grid-column-end grid-column-gap grid-column-start grid-gap grid-row grid-row-end grid-row-gap grid-row-start grid-template grid-template-areas grid-template-columns grid-template-rows hanging-punctuation height hyphens image-rendering @import isolation justify-content @keyframes left letter-spacing line-height list-style list-style-image list-style-position list-style-type margin margin-bottom margin-left margin-right margin-top mask-image mask-mode mask-origin mask-position mask-repeat mask-size max-height max-width @media min-height min-width mix-blend-mode object-fit object-position opacity order orphans outline outline-color outline-offset outline-style outline-width overflow overflow-wrap overflow-x overflow-y padding padding-bottom padding-left padding-right padding-top page-break-after page-break-before page-break-inside perspective perspective-origin pointer-events position quotes resize right row-gap scroll-behavior tab-size table-layout text-align text-align-last text-decoration text-decoration-color text-decoration-line text-decoration-style text-indent text-justify text-overflow text-shadow text-transform top transform transform-origin transform-style transition transition-delay transition-duration transition-property transition-timing-function unicode-bidi user-select vertical-align visibility white-space widows width word-break word-spacing word-wrap writing-mode z-index



Riferimento ai valori predefiniti CSS


Valori CSS predefiniti per elementi HTML

La tabella seguente mostra i valori predefiniti del browser CSS per tutti gli elementi HTML.

Element Default CSS Value Try it
a:link color: (internal value);
text-decoration: underline;
cursor: auto;
a:visited color: (internal value);
text-decoration: underline;
cursor: auto;
a:link:active color: (internal value);
a:visited:active color: (internal value);
abbr None.
address display: block;
font-style: italic;
area display: none;
article display: block;
aside display: block;
audio None.
b font-weight: bold;
base None.
bdi None.
bdo unicode-bidi: bidi-override;
blockquote display: block;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 40px;
margin-right: 40px;
body display: block;
margin: 8px;
body:focus outline: none;
br None.
button None
canvas None.
caption display: table-caption;
text-align: center;
cite font-style: italic;
code font-family: monospace;
col display: table-column;
colgroup display: table-column-group
datalist display: none;
dd display: block;
margin-left: 40px;
del text-decoration: line-through;
details display: block;
dfn font-style: italic;
dialog None.
div display: block;
dl display: block;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 0;
margin-right: 0;
dt display: block;
em font-style: italic;
embed:focus outline: none;
fieldset display: block;
margin-left: 2px;
margin-right: 2px;
padding-top: 0.35em;
padding-bottom: 0.625em;
padding-left: 0.75em;
padding-right: 0.75em;
border: 2px groove (internal value);
figcaption display: block;
figure display: block;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 40px;
margin-right: 40px;
footer display: block;
form display: block;
margin-top: 0em;
h1 display: block;
font-size: 2em;
margin-top: 0.67em;
margin-bottom: 0.67em;
margin-left: 0;
margin-right: 0;
font-weight: bold;
h2 display: block;
font-size: 1.5em;
margin-top: 0.83em;
margin-bottom: 0.83em;
margin-left: 0;
margin-right: 0;
font-weight: bold;
h3 display: block;
font-size: 1.17em;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 0;
margin-right: 0;
font-weight: bold;
h4 display: block;
margin-top: 1.33em;
margin-bottom: 1.33em;
margin-left: 0;
margin-right: 0;
font-weight: bold;
h5 display: block;
font-size: .83em;
margin-top: 1.67em;
margin-bottom: 1.67em;
margin-left: 0;
margin-right: 0;
font-weight: bold;
h6 display: block;
font-size: .67em;
margin-top: 2.33em;
margin-bottom: 2.33em;
margin-left: 0;
margin-right: 0;
font-weight: bold;
head display: none;
header display: block;
hr display: block;
margin-top: 0.5em;
margin-bottom: 0.5em;
margin-left: auto;
margin-right: auto;
border-style: inset;
border-width: 1px;
html display: block;
html:focus outline: none;
i font-style: italic;
iframe:focus outline: none;
iframe[seamless] display: block;
img display: inline-block;
input None.
ins text-decoration: underline;
kbd font-family: monospace;
label cursor: default;
legend display: block;
padding-left: 2px;
padding-right: 2px;
border: none;
li display: list-item;
link display: none;
main None.
map display: inline;
mark background-color: yellow;
color: black;
menu display: block;
list-style-type: disc;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 0;
margin-right: 0;
padding-left: 40px;
menuitem None.
meta None.
meter None.
nav display: block;
noscript None.
object:focus outline: none;
ol display: block;
list-style-type: decimal;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 0;
margin-right: 0;
padding-left: 40px;
optgroup None.
option None.
output display: inline;
p display: block;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 0;
margin-right: 0;
param display: none;
picture None.
pre display: block;
font-family: monospace;
white-space: pre;
margin: 1em 0;
progress None.
q display: inline;
q::before content: open-quote;
q::after content: close-quote;
rp None.
rt line-height: normal;
ruby None.
s text-decoration: line-through;
samp font-family: monospace;
script display: none;
section display: block;
select None.
small font-size: smaller;
source None.
span None.
strike text-decoration: line-through;
strong font-weight: bold;
style display: none;
sub vertical-align: sub;
font-size: smaller;
summary display: block;
sup vertical-align: super;
font-size: smaller;
table display: table;
border-collapse: separate;
border-spacing: 2px;
border-color: gray;
tbody display: table-row-group;
vertical-align: middle;
border-color: inherit;
td display: table-cell;
vertical-align: inherit;
template None.
textarea None.
tfoot display: table-footer-group;
vertical-align: middle;
border-color: inherit;
th display: table-cell;
vertical-align: inherit;
font-weight: bold;
text-align: center;
thead display: table-header-group;
vertical-align: middle;
border-color: inherit;
time None.
title display: none;
tr display: table-row;
vertical-align: inherit;
border-color: inherit;
track None.
u text-decoration: underline;
ul display: block;
list-style-type: disc;
margin-top: 1em;
margin-bottom: 1 em;
margin-left: 0;
margin-right: 0;
padding-left: 40px;
var font-style: italic;
video None.
wbr None.