#tilesDiv
{
    /**width: 208px;*/
    background-color: #ffffff;
    border: 1px solid #C0C0C0;
    -moz-border-radius: 2px;
    -webkit-border-radius: 2px;
    border-radius: 2px;
    /**display: none;  Hide items initially to avoid a flicker effect **/
    cursor: pointer;
    padding: 4px;
    -moz-box-shadow: 4px 4px 2px #efefef;
    -webkit-box-shadow: 4px 4px 2px #efefef;
    box-shadow: 4px 4px 2px #efefef;
}
/**
 * Grid container
 */
#tiles {
list-style-type: none;
position: relative; /** Needed to ensure items are laid out relative to this container **/
margin: 0;
}

/**
 * Grid items
 */
#tiles li
{
    /*width: 200px;*/
    background-color: #ffffff;
    border: 1px solid #C0C0C0;
    -moz-border-radius: 2px;
    -webkit-border-radius: 2px;
    border-radius: 2px;
    display: none; /** Hide items initially to avoid a flicker effect **/
    cursor: pointer;
    padding: 10px;
    -moz-box-shadow: 4px 4px 2px #efefef;
    -webkit-box-shadow: 4px 4px 2px #efefef;
    box-shadow: 4px 4px 2px #efefef;
}


#tiles li img {
display: block;
}

/**
 * Grid item text
 */
#tiles li p {
color: #666;
font-size: 12px;
margin: 7px 0 0 7px;
}

/**
 * Some extra styles to randomize heights of grid items.

#tiles ali:nth-child(3n) {
height: 175px;
}
 */
#tiles ali:nth-child(4n-3) {
padding-bottom: 30px;
}
  
#main
{
    padding: 0px 0 30px 0;
}

header h1 {
text-align: center;
font-size: 24px;
font-weight: normal;
margin: 30px 0 3px 0;
}

header p {
text-align: center;
font-size: 13px;
color: #777;
margin: 0;
}