* {
    margin: 0;
}

body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 14pt;
    background-color: #EA5136;
}

header {
    background-color: #EA5136;
    width: 100%;
    text-align: center;
}

nav {
    background-color: #EA5136;
    width: 100%;
    text-align: center;
    text-decoration: none;
}

nav a:hover {
    background-color: white;
}

nav a {
    color: black;
    font-size: 15pt;
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    text-decoration: none;
    text-align: center;
    display: inline-block;
    width: 20%;
    height: 50px;
    line-height: 50px;
}

.focus {
    background-color: white;
    text-decoration: none;
}

#banner img {
    height: auto;
    width: 100%;
    display: block;
}

.container {
    display: flex;
}

.container img {
    height: 300px; /* gelijke hoogte */
    width: auto;   /* beeldverhouding */
}

#geschiedenis, #toepassingen, #werking {
    background-color: #EA5136;
    width: 33%;
    text-align: center;
    margin-top: 1%;
    margin-bottom: 1%;
}

footer {
    background-color: #EA5136;
    position: relative;
    clear: both;
    width: 100%;
    text-align: center;
    margin-bottom: 1%;
}

#passagiersvervoer, #industrie, #mijnen, #vroeg, #midden, #laat {
    background-color: #EA5136;
    width: 33%;
    text-align: center;
    margin-top: 1%;
    margin-bottom: 1%;
}

#grens {
    background-color: black;
    width: 100%;
}