/*
 * Globals
 */

/* Colors */
:root {
  --background-0: hsl(0, 0%, 20%);
  --foreground-0: hsl(0, 0%, 70%);
  --foreground-1: hsl(0, 0%, 50%);
  --accent-0: #3a9;
}

/* Links */
a {
  color: #fff;
}

a:focus,
a:hover {
  color: var(--accent-0);
}

/* Custom default button */
.btn-secondary,
.btn-secondary:hover,
.btn-secondary:focus {
  color: var(--background-0);
  text-shadow: none; /* Prevent inheritance from `body` */
  background-color: var(--accent-0);
  border: .05rem solid var(--accent-0);
}


/*
 * Base structure
 */

html,
body {
  height: 100%;
  background-color: var(--background-0);
}

body {
  display: -ms-flexbox;
  display: -webkit-box;
  display: flex;
  -ms-flex-pack: center;
  -webkit-box-pack: center;
  justify-content: center;
  color: var(--foreground-0);
  text-shadow: 0 .05rem .1rem rgba(0, 0, 0, .5);
  box-shadow: inset 0 0 8rem rgba(0, 0, 0, .5);
}

.cover-container {
  min-width: 22em;
  max-width: 42em;
}


/*
 * Header
 */
.masthead {
  margin-bottom: 2rem;
  padding-bottom: 4rem;
}

.masthead-brand {
  color: var(--accent-0);
  margin-bottom: 0;
}

.nav-masthead .nav-link {
  padding: .25rem 0;
  font-weight: 700;
  color: var(--foreground-1);
  background-color: transparent;
  border-bottom: .25rem solid transparent;
}

.nav-masthead .nav-link:hover,
.nav-masthead .nav-link:focus {
  border-bottom-color: var(--accent-0);
}

.nav-masthead .nav-link + .nav-link {
  margin-left: 1rem;
}

.nav-masthead .active {
  color: #fff;
  border-bottom-color: #fff;
}

@media (min-width: 48em) {
  .masthead-brand {
    float: left;
  }
  .nav-masthead {
    float: right;
  }
}

/*
 * About
 */
.about-sub-header {
  color: var(--accent-0);
}

/*
 * wasm
 */
#loading {
    color: var(--foreground-1);
}

/*
 * Cover
 */
.cover {
  padding: 0 1.5rem;
  overflow: auto;
}
.cover .btn-lg {
  padding: .75rem 1.25rem;
  font-weight: 700;
}

/*
 * Footer
 */
.mastfoot {
  padding-top: 2rem;
  color: rgba(255, 255, 255, .5);
}