.input-group {
    position: relative;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -ms-flex-align: stretch;
    align-items: stretch;
    width: 100%;
}

.input-group > .custom-file, .input-group > .custom-select, .input-group > .form-control, .input-group > .form-control-plaintext {
        position: relative;
        -ms-flex: 1 1 auto;
        flex: 1 1 auto;
        width: 1%;
        min-width: 0;
        margin-bottom: 0;
    }

.input-group > .custom-file + .custom-file, .input-group > .custom-file + .custom-select,
.input-group > .custom-file + .form-control, .input-group > .custom-select + .custom-file,
.input-group > .custom-select + .custom-select, .input-group > .custom-select + .form-control,
.input-group > .form-control + .custom-file, .input-group > .form-control + .custom-select,
.input-group > .form-control + .form-control, .input-group > .form-control-plaintext + .custom-file,
.input-group > .form-control-plaintext + .custom-select, .input-group > .form-control-plaintext + .form-control {
            margin-left: -1px
        }

.input-group > .custom-file .custom-file-input:focus ~ .custom-file-label, .input-group > .custom-select:focus,
.input-group > .form-control:focus {
            z-index: 3
        }

.input-group > .custom-file .custom-file-input:focus {
            z-index: 4
        }

.input-group > .custom-select:not(:first-child), .input-group > .form-control:not(:first-child) {
            border-top-left-radius: 0;
            border-bottom-left-radius: 0;
        }

.input-group > .custom-file {
        display: -ms-flexbox;
        display: flex;
        -ms-flex-align: center;
        align-items: center;
    }

.input-group > .custom-file:not(:last-child) .custom-file-label, .input-group > .custom-file:not(:last-child) .custom-file-label::after {
            border-top-right-radius: 0;
            border-bottom-right-radius: 0;
        }

.input-group > .custom-file:not(:first-child) .custom-file-label {
            border-top-left-radius: 0;
            border-bottom-left-radius: 0;
        }

 .input-group:not(.has-validation) > .custom-file:not(:last-child) .custom-file-label,
 .input-group:not(.has-validation) > .custom-file:not(:last-child) .custom-file-label::after,
 .input-group:not(.has-validation) > .custom-select:not(:last-child),
 .input-group:not(.has-validation) > .form-control:not(:last-child) {
        border-top-right-radius: 0;
        border-bottom-right-radius: 0
    }

 .input-group.has-validation > .custom-file:nth-last-child(n+3) .custom-file-label,
 .input-group.has-validation > .custom-file:nth-last-child(n+3) .custom-file-label::after,
 .input-group.has-validation > .custom-select:nth-last-child(n+3), .input-group.has-validation > .form-control:nth-last-child(n+3) {
        border-top-right-radius: 0;
        border-bottom-right-radius: 0;
    }

 .input-group-append, .input-group-prepend {
    display: -ms-flexbox;
    display: flex
}

 .input-group-append .btn,
 .input-group-prepend .btn {
        position: relative;
        z-index: 2
    }

 .input-group-append .btn:focus, .input-group-prepend .btn:focus {
            z-index: 3
        }

 .input-group-append .btn + .btn, .input-group-append .btn + .input-group-text, .input-group-append .input-group-text + .btn,
 .input-group-append .input-group-text + .input-group-text, .input-group-prepend .btn + .btn, .input-group-prepend .btn + .input-group-text,
 .input-group-prepend .input-group-text + .btn, .input-group-prepend .input-group-text + .input-group-text {
            margin-left: -1px
        }

.input-group-prepend {
    margin-right: -1px
}

.input-group-append {
    margin-left: -1px
}

.input-group-text {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    padding: .375rem .75rem;
    margin-bottom: 0;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    text-align: center;
    white-space: nowrap;
    background-color: #e9ecef;
    border: 1px solid #ced4da;
    border-radius: .25rem;
}

.input-group-text input[type=checkbox], .input-group-text input[type=radio] {
        margin-top: 0
    }

.input-group-lg > .custom-select, .input-group-lg > .form-control:not(textarea) {
    height: calc(2.875rem + 2px)
}

.input-group-lg > .custom-select, .input-group-lg > .form-control, .input-group-lg > .input-group-append > .btn,
.input-group-lg > .input-group-append > .input-group-text, .input-group-lg > .input-group-prepend > .btn,
.input-group-lg > .input-group-prepend > .input-group-text {
    padding: .5rem 1rem;
    font-size: 1.25rem;
    line-height: 1.5;
    border-radius: .3rem;
}

.input-group-sm > .custom-select, .input-group-sm > .form-control:not(textarea) {
    height: calc(1.8125rem + 2px)
}

.input-group-sm > .custom-select, .input-group-sm > .form-control, .input-group-sm > .input-group-append > .btn, .input-group-sm >
.input-group-append > .input-group-text, .input-group-sm > .input-group-prepend >
.btn, .input-group-sm > .input-group-prepend > .input-group-text {
    padding: .25rem .5rem;
    font-size: .875rem;
    line-height: 1.5;
    border-radius: .2rem;
}

.input-group-lg > .custom-select, .input-group-sm > .custom-select {
    padding-right: 1.75rem
}

.input-group.has-validation > .input-group-append:nth-last-child(n+3) > .btn,
.input-group.has-validation > .input-group-append:nth-last-child(n+3) > .input-group-text,
.input-group:not(.has-validation) > .input-group-append:not(:last-child) > .btn,
.input-group:not(.has-validation) > .input-group-append:not(:last-child) > .input-group-text,
.input-group > .input-group-append:last-child > .btn:not(:last-child):not(.dropdown-toggle),
.input-group > .input-group-append:last-child > .input-group-text:not(:last-child),
.input-group > .input-group-prepend > .btn, .input-group > .input-group-prepend > .input-group-text {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0
}

.input-group > .input-group-append > .btn, .input-group > .input-group-append > .input-group-text,
.input-group > .input-group-prepend:first-child > .btn:not(:first-child),
.input-group > .input-group-prepend:first-child > .input-group-text:not(:first-child),
.input-group > .input-group-prepend:not(:first-child) > .btn, .input-group > .input-group-prepend:not(:first-child) > .input-group-text {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}