body {
    background-color: #f3f3f3;
    font-family: sans-serif;
    font-size: 12px;
}
.container {
    position: fixed;
    width: 75%;
    background-color: #fff;
    border-right: 1px solid #d9d9d9;
    left: 0;
    top: 0;
    height: 100%;
}
.button {
    font-size: 12px;
    padding: 0 10px 1px;
    border-radius: 3px;
    -moz-border-radius: 3px;
    -webkit-border-radius: 3px;
    color: #333;
    text-shadow: 0 1px 0 #fff;
    background: linear-gradient(to bottom, #FEFEFE, #F4F4F4) repeat scroll 0 0 #F3F3F3;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    cursor: pointer;
    border-width: 1px;
    border-style: solid;
    border-color: #999;
    line-height: 23px;
    height: 24px;
    text-decoration: none;
    white-space: nowrap;
    background:#f3f3f3;
    background-image: -webkit-gradient(linear,left top,left bottom,from(#fefefe),to(#f4f4f4));
    background-image: -webkit-linear-gradient(top,#fefefe,#f4f4f4);
    background-image: -moz-linear-gradient(top,#fefefe,#f4f4f4);
    background-image: -o-linear-gradient(top,#fefefe,#f4f4f4);
    background-image: linear-gradient(to bottom,#fefefe,#f4f4f4);
}
.button:hover {
    background:#f3f3f3;
    background-image: -webkit-gradient(linear,left top,left bottom,from(#fff),to(#d9d9d9));
    background-image: -webkit-linear-gradient(top,#fff,#d9d9d9);
    background-image: -moz-linear-gradient(top,#fff,#d9d9d9);
    background-image: -ms-linear-gradient(top,#fff,#d9d9d9);
    background-image: -o-linear-gradient(top,#fff,#d9d9d9);
    background-image: linear-gradient(to bottom,#fff,#d9d9d9);
}