REFERENCE

出典不明

html

<div>
    <asp:DropDownList ID="List1" runat="server" Width="200px" Height="100px" BackColor="#080808" ForeColor="#ffffff" Font-Names="Andalus" CssClass="ddl" Font-Size="30px" AutoPostBack="True" >
    <asp:ListItem Value="">MENU1</asp:ListItem>
    <asp:ListItem Text="ITEM1"></asp:ListItem>
    <asp:ListItem Text="ITEM2"></asp:ListItem>
    <asp:ListItem Text="ITEM3"></asp:ListItem>
    </asp:DropDownList>
    <asp:DropDownList ID="List2" runat="server" Width="200px" Height="100px" BackColor="#080808" ForeColor="#ffffff" Font-Names="Andalus" CssClass="ddl" Font-Size="30px" AutoPostBack="True" >
    <asp:ListItem Value="">MENU2 </asp:ListItem>
    <asp:ListItem Text="ITEM1"></asp:ListItem>
    <asp:ListItem Text="ITEM2"></asp:ListItem>
    <asp:ListItem Text="ITEM3"></asp:ListItem>
    </asp:DropDownList>
    <asp:DropDownList ID="List3" runat="server" Width="200px" Height="100px" BackColor="#080808" ForeColor="#ffffff" Font-Names="Andalus" CssClass="ddl" Font-Size="30px" AutoPostBack="True" >
    <asp:ListItem Value="">MENU3 </asp:ListItem>
    <asp:ListItem Text="ITEM1"></asp:ListItem>
    <asp:ListItem Text="ITEM2"></asp:ListItem>
    <asp:ListItem Text="ITEM3"></asp:ListItem>
    </asp:DropDownList>
</div>

css

.ddl
{
    text-align: center;
    border:2px solid #7d6754;
    border-radius:5px;
    padding:10px;
    -webkit-appearance: none; 
/*    background-image:url('Images/任意のファイル');*/
    background-position:88px;
    background-repeat:no-repeat;
    text-indent: 0.01px;
    text-overflow: '';
}