.bot {
    background: url(../Content/images/bot.jpg) repeat-x top;
    margin: 15px auto 0px;
    background-color:rgb(242,242,242);
  min-height:280px;
}

.bot1 {
    line-height: 23px;
    text-align: center;
    padding-top: 22px;
    width: 1000px;
    margin: 0px auto;
    clear: both;

}
.type_strain_table{
    width:100%;
}
.type_strain_table tr {
    border-bottom: 1px solid #E7E7E7;
}
    .type_strain_table tr th {
        text-align: right;
        padding-right: 5px;
        width: 180px;
        background-color: #F7F7F8;
        line-height:40px;
    }
    .type_strain_table tr td {
        text-align: left;
        padding-left: 5px;
        background-color: #FDFDFD;
        line-height: 40px;
    }
.reference{
  text-align:left;
}