.btnb-group, .btnb-group-vertical {
    position: relative;
    display: inline-block;
    vertical-align: middle;
}

.btnb-group>.btnb:first-child:not(:last-child):not(.dropdown-toggle) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.btnb-group>.btnb:first-child {
    margin-left: 0;
}
.btnb-group-vertical>.btn, .btnb-group>.btnb {
    position: relative;
    float: left;
}
.btnb-default {
    color: #333;
    background-color: #fff;
    border-color: #ccc;
}
.btnb {
    display: inline-block;
    padding: 6px 12px;
    margin-bottom: 0;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.42857143;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    -ms-touch-action: manipulation;
    touch-action: manipulation;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-image: none;
    border: 1px solid transparent;
    border-radius: 4px;
}
button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}
button, html input[type=button], input[type=reset], input[type=submit] {
    -webkit-appearance: button;
    cursor: pointer;
}
button, select {
    text-transform: none;
}
button {
    overflow: visible;
}
button, input, optgroup, select, textarea {
    margin: 0;
    font: inherit;
    color: inherit;
}