style.css

@import url('https://fonts.googleapis.com/css?family=Open+Sans');

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, input, textarea {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

body {
  font-size: 1em;
  font-family: 'Open Sans', sans-serif;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
}
body, div, p, input, textarea {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
p {
  margin-bottom: 2em;
}
h1, h2, h3, h4, h5, h6 {
  color: #ffffff;
  margin-bottom: 0.5em;
  line-height: 1.5;
}

h1 {
  font-size: 2em;
  font-weight: bold;
}

h2 {
  font-size: 1.25em;
  font-weight: bold;
}

h3 {
  font-weight: bold;
}

.image {
  min-height: 15em;
  height: 50vh;
  width: 100%;

  display: block;
  background-size: cover;
}

.container > div {
  /*padding: 3em 2em;*/
  /*margin: 0;*/
}
.intro {
  background-color: #8a42a6;
  padding: 2em 0;
}

.portfolio {
  background-color: #5052b5;
}

.portfolio .element:nth-child(even) {
  background-color: rgba(0,0,0,0.05);
}

.content {
  padding: 3em 2em 1em;
}

.services {
  background-color: #b74e91;
  /*padding: 3em 2em 1em;*/
}

.features {
  border-radius: 0.25em;
  border: solid 1px rgba(255,255,255,0.15);
  background-color: rgba(255,255,255,0.05);

}

.features section {
  border-bottom: solid 1px rgba(255,255,255,0.15);

  padding: 2em 1.5em 0.1em;
}

.icon {
  left: 0;
  top: 0;
  position: relative;
  
  display: block;
  width: 2.5em;
  height: 2.5em;
  background-color: #fff;
  border-radius: 100%;

  text-align: center;
  vertical-align: middle;
  line-height: 2.5em;
  margin-bottom: 1.3em;

  color: #b74e91;
  font-size: 1em;
}

.icon::before {
  font-size: 1.25em;
}

.contact {
  background-color: #8a42a6;
  /*padding: 3em 2em 1em;*/
}

.button {
  display: block;
  width: 100%;
  height: 4.75em;
  line-height: 4.75em;
  
  letter-spacing: 0.25em;

  border-color: rgba(255,255,255,0.15);
  border-radius: 3em;
  border-width: 1px;
  border-style: solid;

  background-color: rgba(0,0,0,0);

  font-size: 0.6em;
  font-weight: 900;
  color: #ffffff;

  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  vertical-align: middle;
}

label {
  font-size: 1.1em;
  font-weight: bold;
  color: #fff;
  display: block;
  margin-bottom: 0.75em;
}

.field {
  margin-bottom: 1em;
}

input[type="text"],
textarea {
  border-radius: 0.25em;
  background-color: rgba(255,255,255,0.05);
  border: solid 1px rgba(255,255,255,0.15);
  width: 100%;
  outline: 0;
  color: rgba(255, 255, 255, 0.55);
}

input[type="text"] {
  padding: 0 1em 0;
  height: 2.75em;
}

textarea {
  padding: 0.75em 1em;
}

input[type="text"]:focus,
textarea:focus {
  border: solid 3px rgba(255,255,255,0.75);
}

input[type="submit"] {
  margin-top: 1em;
}

ul {
  margin-bottom: 2em;
  list-style: none outside;

  padding: 0;
}