*{
    margin: 0;
    padding: 0;
    
    -webkit-tap-highlight-color:rgba(0,0,0,0);
    
    -webkit-text-size-adjust:none;
    
    .user-select(none);
    font-family: Arial,'Microsoft YaHei';
}
img{
    vertical-align: top;
    border:none;
}
input,textarea{
    .user-select();
    
    -webkit-appearance:none;
}
input:focus,select:focus,textarea:focus,button:focus{
    outline: none;
}
input[type="text"],input[type="password"],input[type="search"],input[type="tel"],input[type="number"],input[type="email"],input[type="url"],textarea{
    -webkit-appearance:none;
    border: 1px solid;
    .radius(0);
}
input[type="number"]::-webkit-inner-spin-button{
    -webkit-appearance:none;
}
a{
    text-decoration: none;
    
    -webkit-touch-callout:none;
}
em,i{
    font-style: normal;
}
li{
    list-style: none;
}
html{
    font-size: 10px;
}