先上代码：
1 .selectData{ 2 height: 0.42rem; 3 4 position: absolute; 5 right:.28rem; 6 top:.30rem; 7 //去边框 8 border: none; 9 outline: none; 10 //圆角 11 -moz-border-radius:0.5rem; 12 -webkit-border-radius:0.5rem; 13 border-radius:0.5rem; 14 15 background-color: #003366; 16 select{ 17 border: none; 18 outline: none; 19 line-height: 0.40rem; 20 //通过padding-left的值让文字居中 21 padding-left:0.1rem; 22 background: none; 23 color: #ffffff; 24 25 font-style: normal; 26 font-weight:bold; 27 } 28 option{ 29 border: none; 30 outline: none; 31 background-color: #003366; 32 color: #ffffff; 33 font-weight:bold; 34 } 35 }