*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
    background-color: #d8d8c0;
}
.container{
    height: 100svb;
    display: flex;
    justify-content: center;
    align-items: center;
}
.calculator{
    display: grid;
    grid-template-columns: repeat(4,66px);
    padding: 16px;
    box-shadow: 6px 6px 12px #a7a791, 6px 6px 13px rgba(0,0,0.16);
    border-radius: 30px;
}
input{
    padding: 20px;
    grid-column: span 4;
    font-size: 40px;
    height: 68px;
    margin: 40px 0px 30px 0px;
    text-align: end;
    border: none;
    border-radius: 40px;
    box-shadow: inset -6px -6px 12px #a7a791, inset 6px 6px 13px rgba(0,0,0.16);
}
button{
    height: 50px;
    width: 50px;
    margin: 10px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    /* box-shadow: rgba(50,50,93, 0.25) 0px 2px 5px -1px, rgba(0,0,0,0.3) 0px 1px 3px -1px; */
    cursor: pointer;
    border-radius: 10%;
    box-shadow: rgba(6,24,44,0.4) 0px 0px 0px 2px, rgba(6,24,44,0.65) 0px 4px 6px -1px, rgba(255,255,255, 0.08) 0px 1px 0px inset;
}
.equal{
    width: 116px;
}