.contents{
    position: relative;
    width: 900px;
    height: auto;
    background: #fff;
    border: 4px double #aaa;
    left: 50%;
    margin-left: -460px;
    padding: 10px;
    border-radius: 3px;
    margin-top: 10px;
    box-shadow: 0px 0px 10px #444;
}
.contents:nth-child(3){
    margin-bottom: 20px;
}
.descript{
    text-align: center;
}
p{
    font-family: arial;
    font-size: 14px;
    text-align: justify;
    padding: 0px 40px;
    color: #666;
}
.descript img{
    width: 420px;
    height: 295px;
    display: inline-block;
}
.descript .pie{
    width: 410px;
    display: inline-block;
}
.pie{
    margin-left: -20px;
}
label{
    font-family: arial;
    font-size: 12px;
}
table{
    margin: auto;
    width: 400px;
}
input, textarea, select{
    font-family: arial;
    color: #222;
    font-size: 12px;
    position: relative;
    width: 280px;
    top: 10px;
    border: 1px solid #aaa;
    padding: 5px;
    background: #eee;
}
.btn{
    position: relative;
    width: 292px;
    margin-bottom: 20px;
    transition: background 0.5s, border 0.5s, color 0.5s;
}
.btn:hover, span:hover a{
    background: #fff;
    border: 1px solid #999;
    color: rgba(34,34,34,1);
}
.btn:active, span:active a{
    background: #959599;
    border: 1px solid #fff;
    color: #fff;
}
.span{
    text-align: center;
    margin-bottom: 20px;
}
span a{
    width: 50px;
    position: relative;
    font-family: arial;
    color: #222;
    font-size: 12px;
    top: 0px;
    border: 1px solid #aaa;
    padding: 5px;
    background: #eee;
    border-radius: 3px;
    text-decoration: none;
}