Have a small dot when apply my selectable-selectbox css class

[thangddhd]

Hi guys,
At first thank you for your open-source component i am using now.
Then, I am using with my css class as below

.selectable-selectbox{
z-index: 9000;
position: absolute;
cursor: default;
background-color: none;
border: 1px dashed grey;
}

as you suggest in here #26 (comment)
my problem is after page loaded i see a small dot as this capture. Please tell me that can i hide it except when selecting

[thangddhd]

seem the fix already here #88
but i do not know why we do not merge it

[xoptimal]

The same question, why still not merge, puzzling ~ @valerybugakov

[linxianxi]

same question @valerybugakov