body{
    width:900px;
    margin:0 auto;
    margin-top: 50px;
    background-color: #A7193A;
    text-align:center;
}
.main{
    position: relative;
    margin-top: -235px;
    margin-left:465px; 
    margin-bottom: 30px;
    width: 280px;
    text-align: right;
}
/* form テキストカラー */
.form-horizontal{
    color:#A7193A;
    font-size:14px;
}