body {
    background-color: #fcfcfc;
    font-family: 'Oxygen', sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
    overflow: scroll;
}

nav,
nav ul,
nav li {                      /*Normalisierung*/ 
    list-style: none;
/*    margin-top: 5px;*/
    border: 0;
    padding: 0;
}

nav   {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: 100%;
    height: 50px;
    background-color: #fcfcfc;
    border-bottom: 1px solid silver;

}

nav ul {
    width: 628px;
    height: 38px;
    border: 1px solid black;
    background-color: silver;
    margin: 5px auto;
    text-align: center;
}

nav li {
    list-style: none;
    display: inline-block;
    margin: 0;
    padding: 0;  
}

nav a {
    display: block;
    width: 100px;
    height: 34px;
    line-height: 34px;
    text-decoration: none; 
    font-family: 'Oxygen', sans-serif;
    font-weight: bold;
    margin-top: 2px;
    background-color: silver;
    color: black;
    -webkit-transition: all .25s ease-in;
    transition: all .25s ease-in;
}

nav a:hover {
    background-color: #e31e25;
}

li .active {
        border-bottom: 3px solid #e31e25;
}

.btn {
    background: #8050d8;
    background-image: -webkit-linear-gradient(top, #8050d8, #0a3e5e);
    background-image: -moz-linear-gradient(top, #8050d8, #0a3e5e);
    background-image: -ms-linear-gradient(top, #8050d8, #0a3e5e);
    background-image: -o-linear-gradient(top, #8050d8, #0a3e5e);
    background-image: linear-gradient(to bottom, #8050d8, #0a3e5e);
    font-family: 'Oxygen', sans-serif;
    color: #ffffff;
    font-size: 18px;
    padding: 7px;
    border: solid #000000 2px;
    text-decoration: none !important; 
    width: 160px;
    height: 22px;
}


.btn2 {
    background: #0082d9;
    background-image: -webkit-linear-gradient(top, #0082d9, #005994);
    background-image: -moz-linear-gradient(top, #0082d9, #005994);
    background-image: -ms-linear-gradient(top, #0082d9, #005994);
    background-image: -o-linear-gradient(top, #0082d9, #005994);
    background-image: linear-gradient(to bottom, #0082d9, #005994);
    font-family: 'Oxygen', sans-serif;
    color: #ffffff;
    font-size: 18px;
    padding: 7px;
    border: solid #000000 2px;
    text-decoration: none; 
    width: 160px;
    height: 22px;
    text-decoration: none !important; 
}

a:-webkit-any-link{
    text-decoration: none !important;
}


a:-moz-any-link{
    text-decoration: none !important;
}

.btn:hover {
    background: #e31e25;
    background-image: -webkit-linear-gradient(top, #e31e25, #8a1117);
    background-image: -moz-linear-gradient(top, #e31e25, #8a1117);
    background-image: -ms-linear-gradient(top, #e31e25, #8a1117);
    background-image: -o-linear-gradient(top, #e31e25, #8a1117);
    background-image: linear-gradient(to bottom, #e31e25, #8a1117);
    text-decoration: none;
}

.btn2:hover {
    background: #e31e25;
    background-image: -webkit-linear-gradient(top, #e31e25, #8a1117);
    background-image: -moz-linear-gradient(top, #e31e25, #8a1117);
    background-image: -ms-linear-gradient(top, #e31e25, #8a1117);
    background-image: -o-linear-gradient(top, #e31e25, #8a1117);
    background-image: linear-gradient(to bottom, #e31e25, #8a1117);
    text-decoration: none;
}

a:visited {text-decoration: none !important}
a:active {text-decoration: none !important}

.fontsize1 {
    font-size: 1.5em;
}

.fontsize2 {
    font-size: 1em;
}

.fontsize-small {
    font-size: small;
}

.ata {
    background-color: silver;
    border: 1px solid black;
    width: 820px;
    padding: 30px;
}

.history {
    margin-left: 150px;
    margin-right: 150px;
    border: 1px solid black;
    padding: 2em;
}

.td_1 {
    width: 36px;
}

.td_2 {
    width: 200px;
    background-color: #9999CC;
    height: 17px;
}

.td_3 {
    width: 660px;
    background-color: silver;
    text-align: center;
}




.td_4 {
    background-color: silver;
    width: 170px;
    padding: 10px;
    font-size: small;
    line-height: 20px;
}

.td_5 {
    padding: 0;
    margin: 0;
    height: 60px;
    line-height: 19px;
}


 .td_6 {
     width: 450px;
     background-color: #333333;
     color: white;
 }