* {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #95b9a4;
}

.container {
    position: relative;
    background-color: #22252D;
	width: 100%;
	max-width: 300px;
	display: flex;
	flex-direction: column;
	border-radius: 10px;
	padding: 20px 30px 30px;
    
    
}

.display {
    height: 80px;
    width: 100%;
    outline: none;
    border: none;
    text-align: right;
    font-size: 30px;
    margin-bottom: 10px;
    color: #898b91;
    background: transparent;
    
}

.buttons {
    display: grid;
    grid-gap: 10px;
    grid-template-columns: repeat(4, 1fr);
    

}

.buttons button {
    padding: 10px;
    border-radius: 1rem;
    border: none;
    font-size: 20px;
    cursor: grab;
    background-color: #262933;
    box-shadow: 0px -2px 16px rgba(0, 0, 0, 0.2);
}

.operator {
    color:#1d978b;
}

.number {
    color: #25ae83;
}