header div{

display:inline-block;
/*padding-bottom: 45px;*/
padding-top: 30px;
width:150px;
height:60px;
padding-left:30px;
text-align:center;
/*margin-bottom:0px;*/
bottom:0px;
}

header div:hover{
background:lightblue;
/*cursor: pointer;*/
font-size:17px;
box-shadow: 10px 10px 5px grey;

}


#innerHeaderUL li a{color:#000000; font-size:16px;}

#innerHeaderUL li a:hover{color:white; background:black}


#vocablist ul{

display:inline-block;
}


#GKlist ul{display:inline-block;}
#javalist ul{display:inline-block;}
#seleniumlist ul{display:inline-block;}

#headingDiv{
padding:left:40px;
}

@media (max-width: 768px) {
    header div {
        display: none;
    }

}