CSS to accompany the Rotonde post script (https://gist.github.com/electricgecko/d6761ec0a065ff7932fde41470d0ca0c)

style.css

html, body, body div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, a, blockquote, pre, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, input, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, figure, footer, header, hgroup, menu, nav, section, time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	outline: 0;
	text-decoration: none;
	font-weight: normal;
	font-size: 1em;
}


body {
	font-family: 'Arial', sans-serif;
	font-weight: 200;
	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
    background: #000;
    color: #fff;
    
    font-size: 12pt;
    padding: 20px;
}

header > a + span {
    font-size: 7.5pt;
    line-height: 7pt;
    letter-spacing: 1px;
    display: inline-block;
}

a {
    color: #fff;
    text-decoration: none;
    border-bottom: 1px solid #444;
    padding-bottom: 3px;
}

header {
    height: 35px;
}

header .button {
    position: absolute;
    right: 20px;
    top: 20px;
}

header .backlink {
    border: 0;
    padding: 0;
}

a.button {
    font-size: 7.5pt;
    line-height: 1em;
    min-width: 40px;
    text-align: center;
    background: #fff;
    color: #000;
    padding: 10px;
}
form {
    margin: 50px auto 0;
    max-width: 700px;
}

form > * {
    outline: none;
}

input[type=text],
input[type=submit] {
    -webkit-appearance: none;
    border-radius: 0;
    border-bottom: 1px solid #fff;
    display: block;
    width: 100%;
    
    font-size: 18pt;
    line-height: 1em;
    background: #000;
    color: #fff;
    padding: 10px 0;
}

label {
    font-size: 7.5pt;
}

.dateblock {
    margin: 30px 0;
}

input[type=text] {
	  font-size: 10pt;
    font-family: "Courier", monospace;
    background: #000;    
    color: #fff;
}

input[type=date] {
    -webkit-appearance: none;
    border: 1px solid #fff;
    border-radius: 0;
    padding: 0 15px 0 10px;
    margin: 0 0 10px 0;
    
    background: #000;
    color: #fff;
    
    font-size: 14pt;
    line-height: 32pt;
}

input[type=date]:first-child {
    margin-right: 10px;
}

input[type=date]:after {
    position: absolute;
    margin: -2px 0 0 -5px;
    content: "▾";
}

.currently {
    width: 100%;
}

textarea {
    display: block;
    border-radius: 0;
    border: 1px solid #fff;
    padding: 10px;
    margin: 0;
    width: 100%;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    

    font-size: 10pt;
    font-family: "Courier", monospace;
    background: #000;    
    color: #fff;
    
}

input[type=submit] {
    border: none;
    background: #fff;
    color: #000;
    font-size: 14pt;
    line-height: 1.6em;
    cursor: pointer;
    margin-top: 30px;
}