style.css

:root {
  font: 500 18px 'Open Sans', sans-serif;
  color: hsl(58, 19%, 31%);
}

html {
  box-sizing: border-box;
  background: #EDD6C3;
  height: 100%;
  width: 100%
}

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

body {
  margin: 0 auto;
  min-height: 100vh;
  min-width: 375px;
  width: 100%;
  max-width: 700px;
  background-color: #FDFAF0;
  padding: 20px;
}

@media screen and (min-width: 599px) {
  body {
    width: 80%;
  }
}


header {
  text-align: center;
  padding: 0px 0px 20px;
}

nav {
  display: flex;
  align-items: center;
  justify-content: center;
}

h1 {
  color: #333333;
  padding: 0;
  margin: 10 0;
}

h2 {
  padding: 0;
  margin: 0;
  font-size: 110%;
}

a {
  color: #333333;
}

button {
  font-size: .75em;
  width: 20%;
  margin: 0px 10px;
  min-width: 55px;
  border-color: #6B624A;
  background-color: #EDD6C3;
  border-radius: 5px;
  cursor: pointer;
  padding: 0px;
  text-align: center;
}

button.active {
  border-color: #EDD6C3;
  background-color: #6B624A;
  color: #EDD6C3;
  cursor: default;
}

.content {
  text-align: left;
  margin: auto;
  width: 90%;
}

.project {
  padding: 15px 3% 2px 3%;
  margin: 10px 0;
  border-radius: 10px;
  border: 0px invisible black;
  background-color: #EDD6C2;
}

.project-content {
  padding: 0 1.5%;
  text-align: left;
}

.project-content h2 {
  color: #333333;
}