.shinka-monthly-search-field {
	display: flex;
	flex: 1 1 170px;
	min-width: 150px;
}

.shinka-monthly-search-field .shinka-monthly-select {
	box-sizing: border-box;
	width: 100%;
	min-height: 40px;
	padding: 0.375rem 2rem 0.375rem 0.75rem;
	font: inherit;
	line-height: 1.5;
	color: #495057;
	background-color: #fff;
	border: 1px solid #ced4da;
	border-radius: 0.25rem;
	cursor: pointer;
}

@media (max-width: 767px) {
	.shinka-monthly-search-field {
		flex-basis: 100%;
		width: 100%;
	}
}