1.瀏覽器樣式重置-reset.css

@charset "utf-8";
html {
    background-color: #fff;
    color: #000;
    font-size: 12px
}

body,
ul,
ol,
dl,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
figure,
form,
fieldset,
legend,
input,
textarea,
button,
p,
blockquote,
th,
td,
pre,
xmp {
    margin: 0;
    padding: 0
}

body,
input,
textarea,
button,
select,
pre,
xmp,
tt,
code,
kbd,
samp {
    line-height: 1.5;
    font-family: tahoma, arial, "Hiragino Sans GB", simsun, sans-serif
}

h1,
h2,
h3,
h4,
h5,
h6,
small,
big,
input,
textarea,
button,
select {
    font-size: 100%
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: tahoma, arial, "Hiragino Sans GB", "微軟雅黑", simsun, sans-serif
}

h1,
h2,
h3,
h4,
h5,
h6,
b,
strong {
    font-weight: normal
}

address,
cite,
dfn,
em,
i,
optgroup,
var {
    font-style: normal
}

table {
    border-collapse: collapse;
    border-spacing: 0;
    text-align: left
}

caption,
th {
    text-align: inherit
}

ul,
ol,
menu {
    list-style: none
}

fieldset,
img {
    border: 0
}

img,
object,
input,
textarea,
button,
select {
    vertical-align: middle
}

article,
aside,
footer,
header,
section,
nav,
figure,
figcaption,
hgroup,
details,
menu {
    display: block
}

audio,
canvas,
video {
    display: inline-block;
    *display: inline;
    *zoom: 1
}

blockquote:before,
blockquote:after,
q:before,
q:after {
    content: "\0020"
}

textarea {
    overflow: auto;
    resize: vertical
}

input,
textarea,
button,
select,
a {
    outline: 0 none;
    border: none;
}

button::-moz-focus-inner,
input::-moz-focus-inner {
    padding: 0;
    border: 0
}

mark {
    background-color: transparent
}

a,
ins,
s,
u,
del {
    text-decoration: none
}

sup,
sub {
    vertical-align: baseline
}

html {
    overflow-x: hidden;
    height: 100%;
    font-size: 50px;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: Arial, "Microsoft Yahei", "Helvetica Neue", Helvetica, sans-serif;
    color: #333;
    font-size: .28em;
    line-height: 1;
    -webkit-text-size-adjust: none;
}

hr {
    height: .02rem;
    margin: .1rem 0;
    border: medium none;
    border-top: .02rem solid #cacaca;
}

a {
    color: #25a4bb;
    text-decoration: none;
}
 

2.移動端1px解決-border.css

    @charset "utf-8";
    .border,
    .border-top,
    .border-right,
    .border-bottom,
    .border-left,
    .border-topbottom,
    .border-rightleft,
    .border-topleft,
    .border-rightbottom,
    .border-topright,
    .border-bottomleft {
        position: relative;
    }
    
    .border::before,
    .border-top::before,
    .border-right::before,
    .border-bottom::before,
    .border-left::before,
    .border-topbottom::before,
    .border-topbottom::after,
    .border-rightleft::before,
    .border-rightleft::after,
    .border-topleft::before,
    .border-topleft::after,
    .border-rightbottom::before,
    .border-rightbottom::after,
    .border-topright::before,
    .border-topright::after,
    .border-bottomleft::before,
    .border-bottomleft::after {
        content: "\0020";
        overflow: hidden;
        position: absolute;
    }
    /* border
 * 因，邊框是由偽元素區域遮蓋在父級
 * 故，子級若有互動，需要對子級設定
 * 定位 及 z軸
 */
    
    .border::before {
        box-sizing: border-box;
        top: 0;
        left: 0;
        height: 100%;
        width: 100%;
        border: 1px solid #eaeaea;
        transform-origin: 0 0;
    }
    
    .border-top::before,
    .border-bottom::before,
    .border-topbottom::before,
    .border-topbottom::after,
    .border-topleft::before,
    .border-rightbottom::after,
    .border-topright::before,
    .border-bottomleft::before {
        left: 0;
        width: 100%;
        height: 1px;
    }
    
    .border-right::before,
    .border-left::before,
    .border-rightleft::before,
    .border-rightleft::after,
    .border-topleft::after,
    .border-rightbottom::before,
    .border-topright::after,
    .border-bottomleft::after {
        top: 0;
        width: 1px;
        height: 100%;
    }
    
    .border-top::before,
    .border-topbottom::before,
    .border-topleft::before,
    .border-topright::before {
        border-top: 1px solid #eaeaea;
        transform-origin: 0 0;
    }
    
    .border-right::before,
    .border-rightbottom::before,
    .border-rightleft::before,
    .border-topright::after {
        border-right: 1px solid #eaeaea;
        transform-origin: 100% 0;
    }
    
    .border-bottom::before,
    .border-topbottom::after,
    .border-rightbottom::after,
    .border-bottomleft::before {
        border-bottom: 1px solid #eaeaea;
        transform-origin: 0 100%;
    }
    
    .border-left::before,
    .border-topleft::after,
    .border-rightleft::after,
    .border-bottomleft::after {
        border-left: 1px solid #eaeaea;
        transform-origin: 0 0;
    }
    
    .border-top::before,
    .border-topbottom::before,
    .border-topleft::before,
    .border-topright::before {
        top: 0;
    }
    
    .border-right::before,
    .border-rightleft::after,
    .border-rightbottom::before,
    .border-topright::after {
        right: 0;
    }
    
    .border-bottom::before,
    .border-topbottom::after,
    .border-rightbottom::after,
    .border-bottomleft::after {
        bottom: 0;
    }
    
    .border-left::before,
    .border-rightleft::before,
    .border-topleft::after,
    .border-bottomleft::before {
        left: 0;
    }
    
    @media (max--moz-device-pixel-ratio: 1.49),
    (-webkit-max-device-pixel-ratio: 1.49),
    (max-device-pixel-ratio: 1.49),
    (max-resolution: 143dpi),
    (max-resolution: 1.49dppx) {
        /* 預設值，無需重置 */
    }
    
    @media (min--moz-device-pixel-ratio: 1.5) and (max--moz-device-pixel-ratio: 2.49),
    (-webkit-min-device-pixel-ratio: 1.5) and (-webkit-max-device-pixel-ratio: 2.49),
    (min-device-pixel-ratio: 1.5) and (max-device-pixel-ratio: 2.49),
    (min-resolution: 144dpi) and (max-resolution: 239dpi),
    (min-resolution: 1.5dppx) and (max-resolution: 2.49dppx) {
        .border::before {
            width: 200%;
            height: 200%;
            transform: scale(.5);
        }
        .border-top::before,
        .border-bottom::before,
        .border-topbottom::before,
        .border-topbottom::after,
        .border-topleft::before,
        .border-rightbottom::after,
        .border-topright::before,
        .border-bottomleft::before {
            transform: scaleY(.5);
        }
        .border-right::before,
        .border-left::before,
        .border-rightleft::before,
        .border-rightleft::after,
        .border-topleft::after,
        .border-rightbottom::before,
        .border-topright::after,
        .border-bottomleft::after {
            transform: scaleX(.5);
        }
    }
    
    @media (min--moz-device-pixel-ratio: 2.5),
    (-webkit-min-device-pixel-ratio: 2.5),
    (min-device-pixel-ratio: 2.5),
    (min-resolution: 240dpi),
    (min-resolution: 2.5dppx) {
        .border::before {
            width: 300%;
            height: 300%;
            transform: scale(.33333);
        }
        .border-top::before,
        .border-bottom::before,
        .border-topbottom::before,
        .border-topbottom::after,
        .border-topleft::before,
        .border-rightbottom::after,
        .border-topright::before,
        .border-bottomleft::before {
            transform: scaleY(.33333);
        }
        .border-right::before,
        .border-left::before,
        .border-rightleft::before,
        .border-rightleft::after,
        .border-topleft::after,
        .border-rightbottom::before,
        .border-topright::after,
        .border-bottomleft::after {
            transform: scaleX(.33333);
        }
    }