.param1_box{
    margin-top: 40px;
    margin-bottom: 40px;
}
.param1_wrapper li{
    display: flex;
    justify-content: space-between;
    line-height: 2.5;
}
.param1_wrapper li:nth-of-type(2n){
    background-color: #dddddd;
}
.param1_wrapper li .name{
    flex: 0 0 45%;
    width: 45%;
    padding-left: 10px;
}
.param1_wrapper li .param{
    padding-left: 10px;
    flex: 0 0 55%;
    width: 55%;
}