flexboxgrid/src/css/style.css

Grid based off of CSS3 flexbox specification

body {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  font-size: 18px;
  font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
  font-weight: normal;
  background: #EEE;
  line-height: 1.4rem;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Gibson", "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
  color: #001A33;
}
h2 {
  font-size: 2rem;
  margin: 1rem 0;
}
:focus {
  outline-color: transparent;
  outline-style: none;
}
h2 + p {
  margin: 0 0 2rem 0;
}
a {
  text-decoration: none;
  color: #007FFF;
  padding: 0 0 0.2rem 0;
  font-weight: bold;
}
a:hover {
  color: #007FFF;
}
pre {
  overflow-x: auto;
  padding: 1.25em;
  border: 1px solid #e6e6e6;
  border-left-width: 5px;
  margin: 1.6em 0;
  font-size: 0.875em;
  background: #fcfcfc;
  white-space: pre;
  word-wrap: normal;
}
code {
  color: #007FFF;
}
.layout {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}
.page-nav {
  box-sizing: border-box;
  position: fixed;
  padding: 0.5rem;
  width: 100%;
  background: transparent;
}
.page {
  z-index: 0;
  background: #EEE;
}
.wrap {
  box-sizing: border-box;
  max-width: 1200px;
  margin: 0 auto;
}
.page-section {
  padding-top: 3rem;
  margin-bottom: 3rem;
}
.page-features {
  width: 100%;
  background: hsl(209, 100%, 10%);
  overflow: scroll;
}
.menu-button {
  position: fixed;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 1;
  box-sizing: border-box;
  padding: 0.45rem;
  height: 3rem;
  width: 3rem;
  background: #FFF;
  border: 1px solid transparent;
  user-select: none;
}
.menu-button:hover {
  border: 1px solid #007FFF;
  border-radius: 2px;
}
.menu-button:active {
  background: #EEE;
  border: 1px solid transparent;
}
.open {
  transform: translate3d(-15rem, 0, 0);
}
.menu-button-icon {
  width: 2rem;
  height: 2rem;
}
.hero {
  box-sizing: border-box;
  padding: 2rem;
  background: #FFF;
  border: 1px solid #FFF;
  border-radius: 2px;
}
.hero-headline {
  font-size: 3rem;
  white-space: nowrap;
  margin-bottom: 0;
}
.hero-copy {
  font-size: 1rem;
  margin-bottom: 0;
  padding: 0 2rem;
  text-align: center;
}
.slide-menu {
  display: block;
  position: fixed;
  overflow: auto;
  top: 0;
  right: 0;
  bottom: 0;
  height: 100%;
  width: 250px;
}
.menu {
  box-sizing: border-box;
  padding-bottom: 5rem;
  background: hsl(209, 100%, 10%);
}
.menu-header {
  box-sizing: border-box;
  padding: 3rem 3rem 0 3rem;
  color: #eee;
}
.menu-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.menu-list-item {
  height: 3rem;
  line-height: 3rem;
  font-size: 1rem;
  color: #007FFF;
  background: transparent;
  transition: all .2s ease-in;
}
.menu-link {
  box-sizing: border-box;
  padding-left: 3rem;
  display: block;
  color: #007FFF;
  transition: color 0.2s ease-in;
}
.menu-link:hover {
  color: hsl(210, 100%, 60%);
  border-bottom: none;
}
.link-top {
  align-self: flex-end;
}
.button {
  position: relative;
  display: inline-block;
  box-sizing: border-box;
  min-width: 11rem;
  padding: 0 4rem;
  margin: 1rem;
  height: 3rem;
  line-height: 3rem;
  border: 1px solid #007FFF;
  border-radius: 2px;
  color: #007FFF;
  font-size: 1.25rem;
  transition: background-color, 0.15s;
}
.button:hover {
  background: #3399FF;
  border-color: #3399FF;
  color: #FFF;
  text-shadow: 0 1px #007FFF;
}
.button:active {
  background: #007FFF;
  color: #FFF;
  border-top: 2px solid #0066CC;
}
.box-row,
.box-first,
.box-nested,
.box-large,
.box {
  box-sizing: border-box;
  position: relative;
  box-sizing: border-box;
  min-height: 1rem;
  margin-bottom: 0;
  background: #007FFF;
  border: 1px solid #FFF;
  border-radius: 2px;
  overflow: hidden;
  text-align: center;
  color: white;
}
.box-row {
  margin-bottom: 1rem;
}
.box-first {
  background: #0066CC;
  border-color: #007FFF;
}
.box-nested {
  background: #003366;
  border-color: #007FFF;
}
.box-large {
  height: 8rem;
}
.box-container {
  box-sizing: border-box;
  padding: 0.5rem;
}
.page-footer {
  box-sizing: border-box;
  padding-bottom: 3rem;
}
.tag {
  color: #000;
  font-weight: normal;
}
.end {
  text-align: end;
}
.invisible-xs {
  display: none;
  visibility: hidden;
}
.visible-xs {
  display: block;
  visibility: visible;
}
@media only screen and (min-width: 48rem) {
  body {
    font-size: 16px;
  }
  .slide-menu {
    width: 25%;
  }
  .open {
    transform: translate3d(0, 0, 0);
  }
  .hero-headline {
    font-size: 6rem;
    margin-bottom: 2rem;
  }
  .hero-copy {
    font-size: 1.25rem;
    margin-bottom: 2rem;
  }
  .box-row,
  .box-first,
  .box-nested,
  .box-large,
  .box {
    padding: 1rem;
  }
  .invisible-md {
    display: none;
    visibility: hidden;
  }
  .visible-md {
    display: block;
    visibility: visible;
  }
}