header {
  align-items: center;
  display: flex;
  font-size: 18px;
  height: 100vh;
  justify-content: center;
  overflow: hidden;
  position: relative;
  text-align: center;
  transform-style: preserve-3d;
}

header:before {
  animation: fade-slide-down 2s 0.5s cubic-bezier(0, 0.5, 0, 1) forwards;
  background: url(background.jpg) no-repeat;
  background-size: cover;
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -1;
}
header:after {
  background: #f9fcff;
  content: "";
  left: -5%;
  position: absolute;
  right: -5%;
  top: 90%;
  transform-origin: 0 0;
  z-index: 0;
}

.header-title,
.header-subtitle {
  margin-top: 5rem;
  color: #fff;
}

.header-subtitle {
  margin-top: 5rem;
  margin-bottom: 5rem;
}

.header-button {
  transform: translateZ(0.1px);
  position: relative;
  z-index: 10;
  display: inline-block;
  padding: 0.7em 1.7em;
  margin: 0 0.3em 0.3em 0;
  border-radius: 0.2em;
  box-sizing: border-box;
  text-decoration: none;
  font-family: "Roboto", sans-serif;
  font-weight: 400;
  background-color: #cccccc;
  color: white;
  box-shadow: inset 0 -0.6em 1em -0.35em rgba(0, 0, 0, 0.17),
    inset 0 0.6em 2em -0.3em rgba(255, 255, 255, 0.15),
    inset 0 0 0em 0.05em rgba(255, 255, 255, 0.12);
  text-align: center;
  position: relative;
}
header-button:active {
  box-shadow: inset 0 0.6em 2em -0.3em rgba(0, 0, 0, 0.15),
    inset 0 0 0em 0.05em rgba(255, 255, 255, 0.12);
}
@media all and (max-width: 30em) {
   a.button7 {
    display: block;
    margin: 0.4em auto;
  }
}

.column {
  float: left;
  width: 50%;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

@keyframes pop-in {
  0% {
    opacity: 0;
    transform: translateY(-4rem) scale(0.8);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}
@keyframes fade-slide-down {
  0% {
    opacity: 0;
    transform: translateY(-4rem);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}
.animate-pop-in {
  animation: pop-in 0.6s cubic-bezier(0, 0.9, 0.3, 1.2) forwards;
  opacity: 0;
}

.header-title {
  animation-delay: 0.8s;
}

.header-subtitle {
  animation-delay: 1s;
}

.header-button {
  animation-delay: 1.1s;
}

.profile {
  animation-delay: 0.6s;
  float: right;
  width: 75%;
  border-radius: 25px;
  border: 2px solid black;
}