*,
*:before,
*:after {
  -webkit-box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: transparent;
  color: rgba(0, 0, 0, .55);
  -webkit-user-select: none;
}

html,
body {
  height: 100%;
}

body {
  font-family: -apple-system, ".SFNSText-Regular", "San Francisco", "Helvetica Neue", "Lucida Grande", sans-serif;
  font-size: 17px;
  line-height: 1.5;
  cursor: default;
  height: 100%;
}

.cf:before,
.cf:after {
    content: " ";
    display: table;
}

.cf:after {
    clear: both;
}

img {
  max-width: 100%;
  height: auto;
}

main {
  height: 100%;
}

.welcome-text {
  width: 600px;
  text-align: center;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -300px;
}

h1 {
  margin: 0 0 16px 0;
  padding: 0;
  font-size: 32px;
  font-weight: 400;
  color: rgba(0, 0, 0, .8);
  line-height: 1.2;
}

p {
  padding: 0 80px;
}

.btn-primary {
  margin-top: 22px;
  background-image: -webkit-linear-gradient(top, #44A9FB, #4194F2);
  padding: 8px 16px;
  border-radius: 6px;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 1px 1px rgba(0, 0, 0, .15);
  display: inline-block;
}
