*{
  margin: 0;
  padding: 0;
  font-family: 'Calibri';
  box-sizing: border-box;

}

body{
  background: black;
  color: #ffffff;
}

#header{
  width: 100%;
  height: 100vh;
  background-image: url(../img/ian_portrait_small_wide.jpg);
  background-size: cover;
  background-position: center;
}

.container{
  padding: 10px 10%;
}

nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.logo{
  width:  140px;
}
nav ul li{
  display: inline-block;
  list-style:none;
  margin: 10px 20px;
}

nav ul li a{
  color: white;
  text-decoration: none;
  font-size: 24px;
  position: relative;
}

nav ul li a::after{
  content: '';
  width: 0%;
  height: 3px;
  background: blue;
  position: absolute;
  left: 0;
  bottom: -6px;
  transition: 0.5s;
}

nav ul li a:hover::after{
  width: 100%;
}

.header-text{
  margin-top: 20%;
  font-size: 30px;
}

.header-text h1{
  font-size: 60px;
  margin-top: 20px
}

#about{
  padding: 80px 0;
  color: #b3d4fc;
}