base.css

/* Normalize */
article,aside,details,figcaption,figure,footer,header,hgroup,nav,section,summary{display:block;}audio,canvas,video{display:inline-block;*display:inline;*zoom:1;}audio:not([controls]){display:none;height:0;}[hidden]{display:none;}html{font-size:100%;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;}html,button,input,select,textarea{font-family:sans-serif;}body{margin:0;}a:focus{outline:thin dotted;}a:active,a:hover{outline:0;}h1{font-size:2em;margin:0.67em 0;}h2{font-size:1.5em;margin:0.83em 0;}h3{font-size:1.17em;margin:1em 0;}h4{font-size:1em;margin:1.33em 0;}h5{font-size:0.83em;margin:1.67em 0;}h6{font-size:0.75em;margin:2.33em 0;}abbr[title]{border-bottom:1px dotted;}b,strong{font-weight:bold;}blockquote{margin:1em 40px;}dfn{font-style:italic;}mark{background:#ff0;color:#000;}p,pre{margin:1em 0;}code,kbd,pre,samp{font-family:monospace,serif;_font-family:'courier new',monospace;font-size:1em;}pre{white-space:pre;white-space:pre-wrap;word-wrap:break-word;}q{quotes:none;}q:before,q:after{content:'';content:none;}small{font-size:75%;}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline;}sup{top:-0.5em;}sub{bottom:-0.25em;}dl,menu,ol,ul{margin:1em 0;}dd{margin:0 0 0 40px;}menu,ol,ul{padding:0 0 0 40px;}nav ul,nav ol{list-style:none;list-style-image:none;}img{border:0;-ms-interpolation-mode:bicubic;}svg:not(:root){overflow:hidden;}figure{margin:0;}form{margin:0;}fieldset{border:1px solid #c0c0c0;margin:0 2px;padding:0.35em 0.625em 0.75em;}legend{border:0;padding:0;white-space:normal;*margin-left:-7px;}button,input,select,textarea{font-size:100%;margin:0;vertical-align:baseline;*vertical-align:middle;}button,input{line-height:normal;}button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer;*overflow:visible;}button[disabled],input[disabled]{cursor:default;}input[type="checkbox"],input[type="radio"]{box-sizing:border-box;padding:0;*height:13px;*width:13px;}input[type="search"]{-webkit-appearance:textfield;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;box-sizing:content-box;}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none;}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0;}textarea{overflow:auto;vertical-align:top;}table{border-collapse:collapse;border-spacing:0;}


/* My custom styles */
:root {

}

html {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  box-sizing: border-box;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}