* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  background: #ffffff;
  padding: 28px 128px;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.06);
}

header img {
  height: 100px;
  width: auto;
  display: block;
}

header .btn {
  margin-left: auto;
}

main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('background.jpg') center/cover no-repeat;
  position: relative;
  padding: 40px 20px;
}

main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 0;
}

.center-box {
  position: relative;
  z-index: 1;
  text-align: center;
  transform: translateY(-8vh);
}

.center-box h1 {
  margin: 0 0 24px;
  font-size: 32px;
  font-weight: 600;
  color: #f5f5f5;
}

.btn {
  display: inline-block;
  font-size: 16px;
  padding: 14px 20px;
  background: #ffffff;
  color: #0B5BB2;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: .5px;
  border: 2px solid #0B5BB2;
  box-shadow: 0 2px 6px rgba(0,0,0,0.18);
  transition: background .18s, color .18s, transform .18s;
}

.btn:hover {
  background: #f2f6ff;
}

.btn:active {
  transform: translateY(2px);
}

.carfox {
  position: fixed;
  z-index: 1;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  max-width: 40%;
  height: auto;
  opacity: .98;
}

/* Mobile */
@media (max-width: 1280px) {
  header {
    padding: 14px 36px;
  }
  .btn {
    font-size: 24px;
  }
}