button的line-height影响对齐的问题,谁能给解释一下?
#btn1{
height: 15px;
line-height: 0;
}
#btn2{
height: 15px;
line-height: normal;
}
#btn1{
height: 25px;
line-height: 0;
}
#btn2{
height: 25px;
line-height: normal;
}
#btn1{
height: 15px;
line-height: 0;
}
#btn2{
height: 15px;
line-height: normal;
}
#btn1{
height: 25px;
line-height: 0;
}
#btn2{
height: 25px;
line-height: normal;
}
2016-02-21
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