* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
.header {
  width: 100%;
  height: 100vh;
  background-image: linear-gradient(
      rgba(157, 155, 215, 0.174),
      rgba(76, 71, 209, 0.286)
    ),
    url(images/back.png);
  background-position: center;
  background-size: cover;
}
nav {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20;
  transition: background 1s;
}
nav ul li {
  display: inline-block;
  list-style: none;
  margin: 10px 20px;
}
nav ul li a {
  text-decoration: none;
  color: #fff;
  font-weight: 500;
}
nav:hover {
  background: #fff;
}
nav:hover ul li a {
  color: #3c77d0;
}
.content {
  margin-left: 9%;
  margin-left: 9%;
  color: #fff;
}
.content h1 {
  font-size: 90px;
  line-height: 120px;
  font-weight: 600;
  opacity: 0;
}
.content p {
  margin-top: 20px;
  font-size: 60px;
  max-width: 800px;
  line-height: 18px;
  opacity: 0;
}
.slide-left {
  animation: slideleft 1s linear forwards;
}
@keyframes slideleft {
  0% {
    transform: translate(100px);
    opacity: 0;
  }
  100% {
    transform: translate(0px);
    opacity: 1;
  }
}
p.slide-left {
  animation-delay: 1s;
}
h1 .slide-left {
  animation-delay: 2s;
}