// reset common properties
.input-group .input-group-append .btn,
.input-group .input-group-prepend .btn {
    line-height: inherit;
    height: inherit;
    padding: 0.6rem;
}

// specific properties
.input-group .input-group-append .btn {
    border-top-right-radius: $btn-border-radius;
    border-bottom-right-radius: $btn-border-radius;
}

.input-group .input-group-prepend .btn {
    border-top-left-radius: $btn-border-radius;
    border-bottom-left-radius: $btn-border-radius;
}