body{
  margin: 60px auto;
  width: 70%;
  background: url("https://i.ytimg.com/vi/oSZofK0yiwA/maxresdefault.jpg") no-repeat top;
  background-size: cover;
  background-attachment: fixed;
}
nav ul, footer ul {
    font-family:'Helvetica', 'Arial', 'Sans-Serif';
    padding: 0px;
    list-style: none;
    font-weight: bold;
}
nav ul li, footer ul li {
    display: inline;
    margin-right: 20px;
    padding: 10px 20px;
}
a {
    text-decoration: none;
    color: #999;
}
a:hover {
    text-decoration: underline;
}
h1,.top{
    font-size: 3em;
    font-family:'Helvetica', 'Arial', 'Sans-Serif';
    color: gray;
    background-color: black;
    border: solid 20px #990000;
}
p{
    font-size: 1.5em;
    line-height: 1.4em;
    color: gray;
    background-color: black;
    border: solid 20px #990000;  
}
footer {
    border-top: 1px solid #d5d5d5;
    font-size: .8em;
    color:rgb(0,128,0);
}

ul.posts { 
    margin: 20px auto 40px; 
    font-size: 1.5em;
}

ul.posts li {
    list-style: none;
}
nav{
    border-bottom: 1px solid #d5d5d5;
}
    .links:hover{
  -webkit-transform: perspective(1px) translateZ(0);
  transform: perspective(1px) translateZ(0);
  box-shadow: 0 0 1px transparent;
  overflow: hidden;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
  -webkit-transition-property: color, background-color;
  transition-property: color, background-color;
}

.links:hover, .links:focus, .links:active{
  background-color: #FF8C00;
  color: black;
}
.home:hover{
   -webkit-transform: perspective(1px) translateZ(0);
  transform: perspective(1px) translateZ(0);
  box-shadow: 0 0 1px transparent;
  overflow: hidden;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
  -webkit-transition-property: color, background-color;
  transition-property: color, background-color;
}

.home:hover, .home:focus, .home:active{
  background-color: #990000;
  color: black;
}