.btn-block {
    display: block;
    width: 100%;
}

.btn-block + .btn-block {
    margin-top: 0.5rem;
}

input[type="submit"].btn-block,
input[type="reset"].btn-block,
input[type="button"].btn-block {
    width: 100%;
}

.d-block {
    display: block !important;
}

.text-center {
    text-align: center !important;
}

.d-none {
    display: none;
}

.select-arrow {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: url('data:image/svg+xml;utf8,<svg fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M6 9l6 6 6-6"></path></svg>') no-repeat right 0.75rem center/1.5rem 1.5rem;
    padding-right: 2.5rem;
}