html, body, div, span, applet, object, iframe,h1, h2, h3, h4, h5,
h6, p, blockquote, pre,a, abbr, acronym, address, big,
cite, code,del, dfn, em, img, ins, kbd, q, s, samp,small,
strike, strong, sub, sup, tt, var,b, u, i, center,dl, dt,
dd, ol, ul, li,fieldset, form, label, legend,table, caption,
tbody, tfoot, thead, tr, th, td,article, aside, canvas, details,
embed, figure, figcaption, footer, header, hgroup, menu, nav,
output, ruby, section, summary,time, mark, audio, video
    margin: 0
    padding: 0
    border: 0
    vertical-align: baseline
html
    -ms-text-size-adjust: 100%
    -webkit-text-size-adjust: 100%
img,fieldset, a img
    border: none
input[type="text"],
input[type="email"],
input[type="tel"],
textarea
    -webkit-appearance: none
input[type="submit"],
button
    cursor: pointer
    &::-moz-focus-inner
        padding: 0
        border: 0
textarea
    overflow: auto
input, button
    margin: 0
    padding: 0
    border: 0
div, input, textarea, select,button,
h1,h2,h3,h4,h5,h6,a,span,a:focus
    outline: none
ul,ol
    list-style-type: none
table
    border-spacing: 0
    border-collapse: collapse
    width: 100%
html
    box-sizing: border-box
*, *:before, *:after
    box-sizing: inherit