input.spinbox
{
    width:37px;   
}
.spinbox-control {
    position: absolute;
    height: 8px;
    width: 8px;
    cursor: pointer;
    text-align: center;
    margin-left: 5px;
    -moz-user-select: none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -o-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
.spinbox-plus:after
{
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-bottom: 4px solid #000;
    position: relative;
    margin: 2px auto 0 auto;
}
.spinbox-minus
{
    margin-top: 10px;
}
.spinbox-minus:after
{
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid #000;
    position: relative;
    margin: 2px auto 0 auto;
}
.spinbox-disabled-plus:after
{
    border-bottom-color: #ccc;
}
.spinbox-disabled-minus:after
{
    border-top-color: #ccc;
}