#categories a:nth-child(3) {display:block;}
#categories a:nth-child(3):before{content: "Air Tools";}
#categories a:nth-child(3):after{content: "";}
#categories a:nth-child(4) {display:block;}
#categories a:nth-child(4):before{content: "Electric Tools";}
#categories a:nth-child(4):after{content: "";}
#categories a:nth-child(5) {display:block;}
#categories a:nth-child(5):before{content: "Construction Tools";}
#categories a:nth-child(5):after{content: "";}
#categories a:nth-child(6) {display:block;}
#categories a:nth-child(6):before{content: "Drill Bits";}
#categories a:nth-child(6):after{content: "";}
#categories a:nth-child(7) {display:block;}
#categories a:nth-child(7):before{content: "Water Pump";}
#categories a:nth-child(7):after{content: "";}
#categories a:nth-child(8) {display:block;}
#categories a:nth-child(8):before{content: "Generator";}
#categories a:nth-child(8):after{content: "";}
#categories a:nth-child(9) {display:block;}
#categories a:nth-child(9):before{content: "WoodWork";}
#categories a:nth-child(9):after{content: "";}
#categories a:nth-child(10) {display:block;}
#categories a:nth-child(10):before{content: "Home & Garden";}
#categories a:nth-child(10):after{content: "";}
#categories a:nth-child(11) {display:block;}
#categories a:nth-child(11):before{content: "Welding Tools";}
#categories a:nth-child(11):after{content: "";}
#categories a:nth-child(12) {display:block;}
#categories a:nth-child(12):before{content: "Others";}
#categories a:nth-child(12):after{content: "";}
#nav li:nth-child(1) {display:block;}
#nav li:nth-child(1) a:after{content: "Air Tools";}
#nav li:nth-child(2) {display:block;}
#nav li:nth-child(2) a:after{content: "Electric Tools";}
#nav li:nth-child(3) {display:block;}
#nav li:nth-child(3) a:after{content: "Construction Tools";}
#nav li:nth-child(4) {display:block;}
#nav li:nth-child(4) a:after{content: "Drill Bits";}
#nav li:nth-child(5) {display:block;}
#nav li:nth-child(5) a:after{content: "Water Pump";}
#nav li:nth-child(6) {display:block;}
#nav li:nth-child(6) a:after{content: "Generator";}
#nav li:nth-child(7) {display:block;}
#nav li:nth-child(7) a:after{content: "WoodWork";}
#nav li:nth-child(8) {display:block;}
#nav li:nth-child(8) a:after{content: "Home & Garden";}
#nav li:nth-child(9) {display:block;}
#nav li:nth-child(9) a:after{content: "Welding Tools";}
#nav li:nth-child(10) {display:block;}
#nav li:nth-child(10) a:after{content: "Others";}