<div class="box">
	<div class="box__more">
	<div class="box__btn">еще</div>
	</div>
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</div>

<div class="box">
	<div class="box__more">
	<div class="box__btn">Показать еще</div>
	</div>
	
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</div>

body {
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
	min-height: 100vh;
	gap: 30px;
}

.box {
	line-height: 30px;
	font-size: 20px;
	max-width: 500px;
	height: 60px;
	overflow: hidden;
}

.box__more {
	float: right; 
	height: 100%;
	display: flex;
	justify-content: center;
	align-items: flex-end;
	flex-wrap: wrap;
	shape-outside: inset(calc(100% - 30px) 0 0 0);
	margin-left: 5px;
}

.box__btn {
	box-sizing: border-box;
	padding: 0 5px;
	height: 30px;
	display: flex;
	justify-content: center;
	align-items: center;
	flex-wrap: wrap;
	text-align: center;
	background-color: orange;
	cursor: pointer;
}