.dm-selectck-dropdown {
    position: relative;
    display: inline-block;
    width: 100%;
}

.dm-selectck-dropdown-toggle {
    width: 100%;
    padding: 5px 10px;
    border: 1px solid #ccc;
    cursor: pointer;
    background-color: #fff;
    text-align: left;
}

.dm-selectck-dropdown-menu {
    display: none;
    position: absolute;
    width: 100%;
    background: #fff;
    border: 1px solid #ccc;
    max-height: 200px;
    overflow-y: auto;
    z-index: 10;
}

.dm-selectck-dropdown-menu label {
    display: block;
    padding: 8px;
    cursor: pointer;
}

.dm-selectck-group .dm-selectck-group-head{
    font-weight: bold;
}
.dm-selectck-group .dm-selectck-group-item{
    padding: 0px 0px 0px 15px;
}

.dm-selectck-group .dm-selectck-group-item label{
    padding: 2px;
}