h1{color:red};.systems-polymer-list li:nth-child(2),.systems-polymer-list li:nth-child(3),.systems-polymer-list li:nth-child(4){text-align:center}@media(min-width:450px){.productsysdetail-pclbtablehead li:nth-child(2){width:26.95%;padding:0px;padding-right:70px}.productsysdetail-pclbtablehead li:nth-child(3){width:18.48%;padding:0px}.productsysdetail-pclbtablehead li:nth-child(4){width:17.71%;padding:0px}.productsysdetail-pclbtablehead li:nth-child(5){width:9.24%;padding:0px}}@media(min-width:450px and max-width:670px){.productsysdetail-pclbtablehead li{transform:rotate(90deg)}}