index.css

html {
  background: url(https://img-ucdn-static.helijia.com/lego/uploads/user/images/original_d808fef0da889f09742d3a074f356bc5.png) repeat;
  margin: 0;
  display: flex;
  align-items: center;
  padding: 1em;
  min-height: 100%;
}

body {
  padding: 0;
  margin: 0;
  width: 100%;
}

main {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  color: #333;
  box-shadow: 0 0 15px 5px #0001;
  display: flex;
  flex-wrap: wrap;
  font-family: Content-font, Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.625;
}

em {
  font-style: normal;
  font-weight: bold;
}

p {
  line-height: 1.625;
}

q {
  background: #e5e5e5;
  font-style: italic;
  line-height: 3;
  display: block;
}

a {
  color: inherit;
}

main > aside {
  width: 35%;
  box-sizing: border-box;
  background: #dfdfe1;
  padding: 0 1em 1em 3em;
  font-size: 95%;
  color: #666;
}

main > aside > section {
}

h1 {
  text-transform: uppercase;
  font-weight: normal;
}

h3 {
  margin-top: 0.3em;
  margin-bottom: 0;
  font-size: 100%;
}

ul {
  padding: 0;
  list-style-type: none;
}

ul.with-dot {
  list-style-type: circle;
  padding-left: 2em;
}

li {
}

section {
  margin-bottom: 5em;
}

section > h1 {
  color: #333;
  border-top: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  text-indent: 0.3em;
  line-height: 1.8;
  letter-spacing: .5em;
}

main > article {
  width: 65%;
  box-sizing: border-box;
  padding: 3em 3em 1em 2em;
}

address {
  font-style: normal;
  font-size: 90%;
}

img.avatar {
  width: 4em;
  border-radius: 50%;
}

footer {
  display: block;
  margin: 1em;
  text-align: center;
  color: #999;
}

.icon {
   width: 1em; height: 1em;
   vertical-align: -0.15em;
   fill: currentColor;
   overflow: hidden;
}

#brand {
  background-color: #fff;
  margin: 0 -1em 2em -3em;
  padding: 1em 1em 1em 3em;
  text-align: center;
}

#brand img {
  width: 50%;
  height: auto;
}

#brand h1 {
  margin: 0;
  text-transform: none;
  text-align: center;
}

#info ul li {
  padding-left: 4em;
  position: relative;
  margin-bottom: 1em;
}

#info ul li .icon {
  position: absolute;
  width: 2em;
  height: 2em;
  left: 2em;
  top: 0.5em;
  transform: translate(-50%);
}

#skills td:first-child {
  text-align: right;
  font-weight: bold;
}

#profile h1 {
  border: none;
  background-color: #dfdfe1;
}

#key-projects dl {
  margin-left: 5em;
  position: relative;
}

#key-projects dl::before {
  content: '';
  position: absolute;
  width: 1px;
  top: 1em;
  left: 0;
  height: 100%;
  border-left: 1px solid currentColor;
}

#key-projects dl time {
  position: absolute;
  left: -2em;
  top: 0;
  transform: translate(-100%);
  font-weight: normal;
  font-size: 90%;
  text-align: center;
  line-height: 2;
}

#key-projects dl dd {
  margin-left: 1em;
  margin-bottom: 5em;
}

#key-projects dl dt {
  margin-left: 1em;
  font-weight: bold;
  position: relative;
}

#key-projects dl dt::before {
  content: '';
  position: absolute;
  display: block;
  width: 8px;
  height: 8px;
  background-color: currentColor;
  border-radius: 50%;
  top: 50%;
  left: -1em;
  transform: translate(-50%, -50%);
}

#members a {
  text-decoration: none;
}

#members ul li {
  display: flex;
  align-items: flex-start;
  padding-left: 1em;
  margin-bottom: 2em;
}

#members ul li header {
  margin-left: 1em;
}

#members ul li header h3 {
  line-height: 1.2;
}

#members ul li header h3 span {
  color: #ccc;
  font-weight: normal;
  margin-left: .5em;
}

#members ul li header small {
  color: #999;
}

#chat figure {
  margin-top: 0;
  margin-left: 2em;
}

@media screen and (max-width: 850px) {
  html {
    padding: 0;
  }

  body > main {
    display: block;
  }

  main > aside {
    width: auto;
  }

  main > article {
    width: auto;
    padding-right: 2em;
  }

  #brand {
    padding-left: 1em;
  }

  #key-projects dl {
    margin-left: 3em;
  }
}