body{
     background-color:rgb(0,255,204);
}
header{
    text-align:center;
    text-shadow: 2px 2px 5px red;
}
ul{
    color:black;
    list-style-type:disc;
}
.content{
    text-align: justify;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 17px;
    color: white;
    background-color: gray;
    border-style: solid;
    border-color: black;;
}
#thumbnail{
    height: 150px;
    width: 200px;
    border-radius: 8px;
}
footer{
    text-align:center;
    background-color:tomato;
    color: white;
    font-size: 14px;
    box-shadow: 10px 10px gray;    
}
a:link{color:black;}
a:visited{color:blue;}
a:hover{color:white;}
a:active{color:red;}