html{
    background-color: #e0e0e0;
}
*{
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
}

header ul{
    list-style-type: none;
    margin: 0;
    padding: 0;
    background-color: #333;
}
header li{
    display: inline-block;
}

header li a{
    font-family: Arial, Helvetica, sans-serif;
    display: inline-block;
    color: #fff;
    text-decoration: none;
    padding: 0.5em 1em;
}

header li a:hover{
    background-color: rgba(11,11,11,0.4);
    font-weight: bold;
}

.contentdiv{
    padding: 1em;
}

.kurssilistadiv{
    background-color: #ccc;
    padding: 2em;
    width: fit-content;
    border-radius: 0.5em;
}

.kurssilista{
    list-style-type: none;
    font-size: 1.2em;
    line-height: 1.5em;
}

.kurssilista a{
    text-decoration: none;
    color: #333;
}

.kurssilista li a:hover{
    font-weight: bold;
    color: black;
}