html,body{
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    scroll-behavior: smooth;
    color: #333333;
    line-height: 1.5rem;
}
nav{
    position: fixed;
    background: rgba(3, 29, 34, 0.8);
    color:azure;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    height:50px;
}
h1{
    line-height: 2rem;
}
nav a,
nav a:hover,
nav a:visited,
nav a:active{
    color: azure;
    text-decoration: none;
}
ul{
    padding: 0;
}
ul li{
    display: inline-block;
    padding: 20px;
}
section{
    padding: 50px 20px 20px 20px;
    min-height: 300px;
    text-align: center;
}
section#services a,
section#services a:hover,
section#services a:visited,
section#services a:active{ text-decoration: none; color: #333333; }
section .mw600{
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
section#hero{
    height: 500px;
    background: url(bg.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
}
section .underline{
    text-decoration: underline;
}
.fa-2x{
    font-size: 3rem;
}
@media (max-width:450px) {
    section#hero{
        height: 300px;
    }
}