* {
    background-color: #f8f8ff;
    color: black;
}
.body{
    margin: 0px;
    padding: 0px;
}
.header{
    font-size: 36px;
    text-align: center;
    font-family: 'Courier New', Courier, monospace;
    padding-top: 100px;
    padding-bottom:100px;

}
.calc-container{
    justify-items: center;
    margin-bottom: 100px;
}
.calc{
     border-color:black;
    border-style: solid;
    width: 400px;
    height: 600px;
    justify-content: center;
    background-color: #c0c0c0;
}

.display,
.button {
    border-color:black;
    border-style: solid;
    align-items: center;
}

.display{
    width: 350px;
    height: 80px;
    margin: 40px;
    justify-self: center;
    align-content: center;
    text-align: end;
    font-size: 48px;
    padding-right: 5px;
    border-width: 3px;
    background-color:#f0f0f0 ;
}
.button-grid{
    margin: 20px;
    background-color: #c0c0c0;
}
button{
    width: 86px;
    height: 86px;
    display: inline-flex;
    font-size: 36px;
    margin:.1px;
    margin-top:.5px;
    margin-bottom: .5px;
    justify-content: center;
    border-width: 3px;
    background-color: #b0b0b0;
}