body {
    background-color: rgb(225,225,230);
    width: 100%; height:100%;
}

.menuItem {
    background-color: black;
    display:inline-block;
    margin:1px;
    position:relative;
}
* {
                font-family: sans-serif;
            }      
a {
    color: goldenrod;
    font-weight: bolder;
    padding:5px 10px; 
    text-decoration: none;
    display:inline-block;
    cursor:pointer;
    font-size: 16px;
}

.dreieck {
    width: 0px;
    height: 0px;
    -webkit-transform:rotate(360deg);
    border-style: solid;
    border-width: 10px 5px 0 5px ;
    border-color: transparent transparent transparent transparent;
    position:absolute; bottom: -10px; left:50%;
    
    
}
.menu_Item:hover .dreieck {
    width: 0px;
    height: 0px;
    -webkit-transform:rotate(360deg);
    border-style: solid;
    border-width: 10px 5px 0 5px ;
    border-color: black transparent transparent transparent;
    position:absolute; bottom: -10px; left:40%;
}

.activeMenu .dreieck {
    width: 0px;
    height: 0px;
    -webkit-transform:rotate(360deg);
    border-style: solid;
    border-width: 10px 5px 0 5px ;
    border-color: black transparent transparent transparent;
    position:absolute; bottom: -10px; left:40%;
    
    
}
p {
    text-align: left;
    font-size: 14px<,
}

.shadow {
    display: flex;
  align-items: center;
  justify-content: center;
    position: fixed; z-index: 200; top:0; bottom:0; left:0; right:0; background-color:rgba(0,0,0,0.5)
}