#custom-cart .input-group-btn {

    width: 52px;
    float: left;
}

#custom-cart .input-group-btn .btn {

    border-radius: 50px;
    padding: 10px 20px;

    line-height: 20px;
}

#custom-cart .input-group-btn:first-child .btn {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

#custom-cart .input-group-btn:last-child .btn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

#custom-cart .input-group .form-control[name^=quantity] {
    float: left;
    font-size: 16px;
    height: 42px;
    display: table-cell;
}