body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgb(187, 184, 184);
}


#container {
box-sizing: border-box;
display: flex;
flex: 1, 1, 0;
flex-wrap: wrap;
justify-content: center;
align-items: center;
border: 3px solid rgb(124, 124, 124);
border-radius: 8px;
padding: 10px;
gap: 4px;
margin-top: 100px;
width: 250px;
min-width: 250px;
height: auto;
background-color: rgb(49, 49, 49);


}

#display {
    display: flex;
    box-sizing: border-box;
    align-items: center;
    justify-content: flex-end;
    text-align: right;
    padding: 5px;
    font-weight: bold;
    font-size: 30px;
    color: white;
    border: 2px solid rgb(124, 124, 124);
    border-radius: 5px;
    width: 100%;
    height: 40px;
    margin-bottom: 5px;
    margin-top: 5px;
    overflow-x: auto;
    white-space: nowrap;
}


button {
    box-sizing: border-box;
    display: flex;
    flex: 1, 1, 0;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
  background-color: rgb(124, 124, 124);
  color: white;
  font-size: 22px;
  border-radius: 10px;
}

.clear, .backspace {
    width: 76px;
}

#equals {
    background-color: rgb(235, 128, 57);
    width: 105px;
}

.operator, #decBtn, #plusMinBtn, button:hover {
    background-color: rgb(77, 74, 74);
}


.operator:hover, #decBtn:hover, #plusMinBtn:hover {
    background-color: rgb(124, 124, 124);
}



#equals:hover {
    background-color: rgb(243, 156, 98);
}