Help with Modified CSS Reset

I’ve created modified CSS reset based on various reset stylesheets available.
Need some help to make it effective & clean.

Need some help with typography

*, *:before, *:after {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0;
    outline: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}
*:focus {
    outline: none;
}
::-moz-selection {
background: #ccc;
color: #fff;
}
::selection {
    background: #ccc;
    color: #fff;
}
html {
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
}
body, html {
    width: 100%;
    height: 100%
}
body {
    font-size: 14px;
    font-weight: 400;
    font-style: normal;
    line-height: 2;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}
hr {
    box-sizing: content-box;
    height: 0;
}
a {
    font-size: 100%;
    -webkit-transition: all .5s linear;
    -moz-transition: all .5s linear;
    -ms-transition: all .5s linear;
    -o-transition: all .5s linear;
    transition: all .5s linear;
    text-decoration: none;
    color: #000;
    outline: none;
    background-color: transparent;
}
a:hover, a:visited, a:active, a:focus {
    -webkit-transition: all .5s linear;
    -moz-transition: all .5s linear;
    -ms-transition: all .5s linear;
    -o-transition: all .5s linear;
    transition: all .5s linear;
    text-decoration: none;
    color: #000;
    outline: none;
}
a:focus, a:active, button::-moz-focus-inner, input[type='reset']::-moz-focus-inner, input[type='button']::-moz-focus-inner, input[type='submit']::-moz-focus-inner {
 border: 0;
 outline: 0;
}
abbr[title] {
    text-decoration: underline;
    text-decoration: underline dotted;
    border-bottom: none;
}
sub, sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
}
sub {
    bottom: -.25em;
}
sup {
    top: -.5em;
}
button, input, optgroup, select, textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: 1.15;
    margin: 0;
}
button, select {
    text-transform: none;
}
button, hr, input {
    overflow: visible;
}
progress, sub, sup {
    vertical-align: baseline;
}
[type=checkbox], [type=radio], legend {
    box-sizing: border-box;
    padding: 0;
}
[type=button], [type=reset], [type=submit], button {
    -webkit-appearance: button;
}
[type=button]::-moz-focus-inner, [type=reset]::-moz-focus-inner, [type=submit]::-moz-focus-inner, button::-moz-focus-inner {
 padding: 0;
 border-style: none;
}
[type=button]:-moz-focusring, [type=reset]:-moz-focusring, [type=submit]:-moz-focusring, button:-moz-focusring {
 outline: ButtonText dotted 1px;
}
legend {
    display: table;
    max-width: 100%;
    white-space: normal;
    color: inherit;
}
textarea {
    overflow: auto;
}
[type=number]::-webkit-inner-spin-button, [type=number]::-webkit-outer-spin-button {
 height: auto;
}
[type=search] {
    outline-offset: -2px;
    -webkit-appearance: textfield;
}
[type=search]::-webkit-search-decoration {
 -webkit-appearance: none;
}
::-webkit-file-upload-button {
 font: inherit;
 -webkit-appearance: button;
}
summary {
    display: list-item;
}
[hidden], template {
    display: none;
}
a, abbr, acronym, address, applet, article, aside, audio, b, big, blockquote, body, canvas, caption, center, cite, code, dd, del, details, dfn, div, dl, dt, em, embed, fieldset, figcaption, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hgroup, html, i, iframe, img, ins, kbd, label, legend, li, mark, menu, nav, object, ol, output, p, pre, q, ruby, s, samp, section, small, span, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, time, tr, tt, u, ul, var, video {
    font: inherit;
    margin: 0;
    padding: 0;
    vertical-align: baseline;
    border: 0;
    outline: 0;
}
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
    display: block;
}
ol, ul, li {
    list-style: none;
}
img {
    max-width: 100%;
    height: auto;
}
blockquote, q {
    quotes: none;
}
blockquote:after, blockquote:before, q:after, q:before {
    content: '';
    content: none;
}
table {
    border-spacing: 0;
    border-collapse: collapse;
}
small {
    font-size: 85%;
}
strong {
    font-weight: 700;
}
td, td img {
    vertical-align: top;
}
.clearfix:after, .clearfix:before {
    display: block;
    overflow: hidden;
    height: 0;
    content: '\0020';
}
.clearfix:after {
    clear: both;
}
.clearfix {
    zoom: 1;
}
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    margin: 0 0 10px;
}
h1 {
    font-size: 36px;
}
h2 {
    font-size: 30px;
}
h3 {
    font-size: 24px;
    font-weight: 800;
}
h4 {
    font-size: 20px;
    font-weight: 700;
}
h5 {
    font-size: 18px;
    font-weight: 400;
}
h6 {
    font-size: 14px;
}