html{
    background-image: url(../img/back.jpg);
}

body
    {
        width:80%;
        margin-left:auto;
        margin-right:auto;
    }

/*Layout Klassen*/

.fl {
    float: left;
}

.fr {
    float: right;
}

.left {
    float: left;
}

.right {
    float: right;
}

.last {
    border-right: none;
}

.flow {
    overflow: hidden;
}

/*Font*/

h1 {
    font-size: 2em;
    font-weight: normal;
}

h2 {
    font-size: 1.4em;
    font-weight: normal;
}

h3 {
    font-size: 1.4em;
    font-weight: normal;
}


    
mark {
    background-color: transparent;
    color: white;
    font-weight: bold;
}



.bold {
    font-weight: bold;
}










/*main*/

main {
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    overflow:visible;
    padding-bottom: 2em;
}

article {
    width:80%;
    margin-top: 2em;
    margion-bottom: 2em;
    margin-left: auto;
    margin-right: auto;
    border-color: black;
    border-style: solid;
    border-width: 2px;
    padding: 1em;
}