* {
    box-sizing: border-box
}

body {
    margin: 0;
    background-color: lightgrey;
}

section {
    max-width: 50em;
    padding: 0 3em 3em 3em;
}

section a {
    background-color: #3a8ea9;
    color: white;
}

.def {
    font-style: italic;
}

/*
h1 {
    display: inline;
    background-color: #3a8ea9;
    color: white;
    padding: 5px;
    font-family: serif;
    font-weight: normal;
}
*/
.content {
    display: block;
    margin-left: auto;
    margin-right: auto;
    max-width: 1600px;
    background-color: white;
}

.logo {
    background-color: #434343;
}

.logo img {
    display: block;
    max-inline-size: 100%;
    padding-left: 67%;
    background: #3a8ea9;
}


/* Container needed to position the overlay. Adjust the width as needed */
.showcase {
    position: relative;
    max-width: 100%;
    max-height: 100%;
}

/* Make the image to responsive */
.image {
    display: block;
    width: 100%;
    height: auto;
}

/* The overlay effect - lays on top of the container and over the image */
.overlayl {
    position: absolute;
    bottom: 0;
    background: rgba(23, 72, 121, 0.25);
    color: #f1f1f1;
    width: 54%;
    height: 100%;
    transition: .5s ease;
    opacity: 0;
    font-size: 20px;
    padding: 20px;
    text-align: center;
}

.overlayr {
    position: absolute;
    bottom: 0;
    right: 0;
    background: rgba(23, 72, 121, 0.25);
    color: #f1f1f1;
    width: 46%;
    height: 100%;
    transition: .5s ease;
    opacity: 0;
    font-size: 20px;
    padding: 20px;
    text-align: center;
}

.fhead {
    position: absolute;
    color: white;
    background-color: #3a8ea9;
    padding: 5px;
    font-size: 3em;
    font-family: serif;
}

#hardware {
    top: 7%;
    left: 23%;
}

#software {
    top: 24%;
    left: 63%;
}

#join {
    top: 65%;
    left: 38%;
}

/* When you mouse over the container, fade in the overlay title */
.overlayl:hover {
    opacity: 1;
}

.overlayr:hover {
    opacity: 1;
}

/* Style the navigation bar */
.navbar {
    display: block;
    background-color: #434343;
    overflow: auto;
    position: fixed;
    top: 0;
}

/* Navbar links */
.navbar a {
    float: left;
    text-align: center;
    padding: 12px;
    color: white;
    text-decoration: none;
    font-size: 17px;
}

/* Navbar links on mouse-over */
.navbar a:hover {
    background-color: #3a8ea9;
}

/* Current/active navbar link */
.active {
    background-color: #3a8ea9;
}

/* Add responsiveness - will automatically display the navbar vertically instead of horizontally on screens less than 500 pixels */
@media screen and (max-width: 500px) {
    .navbar a {
        float: none;
        display: block;
    }
}