[2016-01-13][html][空格和回车键]

:first-child {
margin-top: 0;
}

blockquote > :last-child {
margin-bottom: 0;
}

img {
border: 0;
max-width: 100%;
height: auto !important;
margin: 2px 0;
}

table {
border-collapse: collapse;
border: 1px solid #bbbbbb;
}

td {
padding:4px 8px;
border-collapse: collapse;
border: 1px solid #bbbbbb;
}

@media screen and (max-width: 660px) {
body {
padding: 20px 18px;
padding: 1.33rem 1.2rem;
}
}

@media only screen and (-webkit-max-device-width: 1024px), only screen and (-o-max-device-width: 1024px), only screen and (max-device-width: 1024px), only screen and (-webkit-min-device-pixel-ratio: 3), only screen and (-o-min-device-pixel-ratio: 3), only screen and (min-device-pixel-ratio: 3) {
html, body {
font-size: 17px;
}

body {
line-height: 1.7;
padding: 0.75rem 0.9375rem;
color: #353c47;
}

h1 {
font-size: 2.125rem;
}

h2 {
font-size: 1.875rem;
}

h3 {
font-size: 1.625rem;
}

h4 {
font-size: 1.375rem;
}

h5 {
font-size: 1.125rem;
}

h6 {
color: inherit;
}

ul, ol {
padding-left: 2.5rem;
}

blockquote {
border-left: 4px solid #c8d4e8;
padding: 0 0.9375rem;
color: #b3c2dd;
}
}
-->

无论加多少空格和回车，都默认替换为一个空格字符

效果

my fist html work. 2333 6666

来自为知笔记(Wiz)