body{

text-align:center;

}

header,section,footer,aside,nav,article,hgroup{

display:block;

}

skin{

width:700px;

margin:10px auto;

padding:5px;

background:red;

border:4px solid black;

border-radius

}

nav{

margin:5px 0px;

}

#buttons{

float:left;

width:70px;

height:22px;

}

#defaultBar{

position:relative;

float:left;

width:600px;

height:16px;

padding:4px;

border:2px solid black;

background:yellow;

}

#progressBar{

position:absolute;

width:250px;

height:16px;

background:blue;

}