對於img撐父元素的高度時，會有幾像素的多餘高度可以通過設置vertical-align:top;其中vertical-align用於設置幾個元素的垂直對齊方式，只有幾個元素同時設置時纔會生效。
html {
color: #000;
background: #FFF;
}
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td {
margin: 0;
padding: 0;
}
table {
border-collapse: collapse;
border-spacing: 0;
}
fieldset, img {
border: 0;
}
address, caption, cite, code, dfn, em, strong, th, var {
font-style: normal;
font-weight: normal;
}
ol, ul {
list-style: none;
}
caption, th {
text-align: left;
}
h1, h2, h3, h4, h5, h6 {
font-size: 100%;
font-weight: normal;
}
q:before, q:after {
content: '';
}
abbr, acronym {
border: 0;
font-variant: normal;
}
sup {
vertical-align: text-top;
}
sub {
vertical-align: text-bottom;
}
input, textarea, select {
font-family: inherit;
font-size: inherit;
font-weight: inherit;
*font-size: 100%;
}
legend {
color: #000;
}
#yui3-css-stamp.cssreset {
display: none;
}