按钮点击久了会出现篮背景解决方法

body{
    -webkit-user-select: none; /* Chrome all / Safari all */
    -moz-user-select: none; /* Firefox all */
    -ms-user-select: none; /* IE 10+ */ /* No support for these yet, use at own risk */
    -o-user-select: none;
    user-select: none;
}