style.css

/*GLOBALS*/
body{
    padding: 0;
    margin: 0;
    background-color: #E9E9E9;
    height: 100%;
    width: 100%;
    scroll-behavior: smooth;
}

html{
    height: 100%;
    width: 100%;
    margin: 0;
    scroll-behavior: smooth;
}

.container{
    width: 90%;
    margin: auto;
    overflow: hidden;
}

/*Navigation Bar*/
header{
    min-height: 70px;
    background-color: rgb(0, 195, 255);
    position: relative;
    box-shadow: 0px 1px 5px 2px #0e0e0e;
}

header li{
    display: inline;
    padding: 0 20px 0 20px; /*top, right, bottom, left*/
}

header nav{
    margin-top: 10px;
    float: right;
    list-style-type: none;
}

/*showcase1*/
#showcase{
    min-height: 100%;
    background: linear-gradient(rgba(0,0,0,.6), rgba(0,0,0,.6)), url(images/hill.jpg) no-repeat;
    background-size: cover;
}

#showcase h1{
    position: relative;
    -webkit-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    position: absolute;
    top: 40%;
    left: 50%;
    width: 100%;
    text-align: center;
}