html {
	
background-color:#ed4634;
font-size: 10px;
text-align: center;

}

.logo-banner {
	text-align: center;
	height: 250px;
	width:  500px;
	display: block;
	margin:  0px auto;


	
}

#seitentitel {
	background-color: #f5f5f5;
	font-size: 30px;
text-align: center;
color: #cd4655;
border: 2px solid #cd4655;
}

#ueberschrift {
	
font-size: 28px;
color: Black;

text-align: center;	
}

#text {
	
	font-size: 22px;
}
.arduino-uno {
	text-align: center;
	height: 140px;
	width:  200px;
	display: block;
	margin:  0px auto;
	
}

#hilfe {
	color: white;
	font-size: 21px;
	font-family: Impact;
	
}

#java {
	color: white;
	font-size: 25px;
	
}

/*
MENÜ
*/ 

/* Main Navigation */
#nav {
    position:relative;
    width:620px;
    margin:0 auto;
    margin-top:50px;
    padding:10px;
}
 
ul#navigation {
    margin:0px auto;
    position:relative;
    float:left;
    border-left:0px solid #c4dbe7;
    border-right:0px solid #c4dbe7;
}
 
ul#navigation li {
    display:inline;
    font-size:12px;
    font-weight:bold;
    margin:0;
    padding:0;
    float:left;
    position:relative;
    border-top:1px solid #c4dbe7;
    border-bottom:2px solid #c4dbe7;
}
 
ul#navigation li a {
    padding:10px 25px;
    color:#616161;
    text-shadow:1px 1px 0px #fff;
    text-decoration:none;
    display:inline-block;
    border-right:1px solid #fff;
    border-left:1px solid #C2C2C2;
    border-top:1px solid #fff;
    background: #f5f5f5;
 
    -webkit-transition:color 0.2s linear, background 0.2s linear;
    -moz-transition:color 0.2s linear, background 0.2s linear;
    -o-transition:color 0.2s linear, background 0.2s linear;
    transition:color 0.2s linear, background 0.2s linear;
}
 
ul#navigation li a:hover {
    background:#f8f8f8;
    color:#282828;
}
 
ul#navigation li a.first {
    border-left: 0 none;
}
 
ul#navigation li a.last {
    border-right: 0 none;
}
 
ul#navigation li:hover > a {
    background:#fff;
}
/* Drop-Down Navigation */
ul#navigation li:hover > ul
{
/*these 2 styles are very important,
being the ones which make the drop-down to appear on hover */
    visibility:visible;
    opacity:1;
}
 
ul#navigation ul, ul#navigation ul li ul {
    list-style: none;
    margin: 0;
    padding: 0;
/*the next 2 styles are very important,
being the ones which make the drop-down to stay hidden */
    visibility:hidden;
    opacity:0;
    position: absolute;
    z-index: 99999;
    width:180px;
    background:#f8f8f8;
    box-shadow:1px 1px 3px #ccc;
/* css3 transitions for smooth hover effect */
    -webkit-transition:opacity 0.2s linear, visibility 0.2s linear;
    -moz-transition:opacity 0.2s linear, visibility 0.2s linear;
    -o-transition:opacity 0.2s linear, visibility 0.2s linear;
    transition:opacity 0.2s linear, visibility 0.2s linear;
}
 
ul#navigation ul {
    top: 43px;
    left: 1px;
}
 
ul#navigation ul li ul {
    top: 0;
    left: 181px; /* strong related to width:180px; from above */
}
 
ul#navigation ul li {
    clear:both;
    width:100%;
    border:0 none;
    border-bottom:1px solid #c9c9c9;
}
 
ul#navigation ul li a {
    background:none;
    padding:7px 15px;
    color:#616161;
    text-shadow:1px 1px 0px #fff;
    text-decoration:none;
    display:inline-block;
    border:0 none;
    float:left;
    clear:both;
    width:1