*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Times New Roman', Times, serif;
}

body{
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #b4b9c7;
}

.container{
    position: relative;
    max-width: 300px;
    width: 100%;
    border-radius: 10px;
    padding: 10px 20px 20px;
    background-color: rgb(249, 241, 232);
    box-shadow: 0 5px 10px rgb(138, 131, 131);
    pointer-events: visible;
}

.display, #inputtext{
height: 80px;
width: 100%;
outline:none;
border: none;
text-align: right;
margin-bottom: 10px;
font-size: 25px;
color: #000e1a;
border-radius: 15px;

}

.buttons{
    display: grid;
    grid-gap:10px;
    grid-template-columns: repeat(4, 1fr);
}
.buttons button{
    padding: 10px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 20px;
    background-color: #c8c7c7;

}
.buttons button:active{
    transform: scale(0.99);
}
.operator {
    color: #2600ff;
}