内存分配（转载）

body
{
font-family: 微软雅黑,"Microsoft YaHei", Georgia,Helvetica,Arial,sans-serif,宋体, PMingLiU,serif;
font-size: 10.5pt;
line-height: 1.5;
}
html, body
{

}
h1 {
font-size:1.5em;
font-weight:bold;
}
h2 {
font-size:1.4em;
font-weight:bold;
}
h3 {
font-size:1.3em;
font-weight:bold;
}
h4 {
font-size:1.2em;
font-weight:bold;
}
h5 {
font-size:1.1em;
font-weight:bold;
}
h6 {
font-size:1.0em;
font-weight:bold;
}
img {
border:0;
max-width: 100%;
height: auto !important;
}
blockquote {
margin-top:0px;
margin-bottom:0px;
}
table {
border-collapse:collapse;
border:1px solid #bbbbbb;
}
td {
border-collapse:collapse;
border:1px solid #bbbbbb;
}

来自为知笔记(Wiz)