body {
}
.custom-combobox
{
    position: relative;
    display: inline-block;
}
.custom-combobox-toggle
{
    position: absolute;
    top: 0;
    bottom: 0;
    margin-left: -1px;
    padding: 0;
}
.custom-combobox-input
{
    margin: 0;
    padding: 5px 10px;
}