body{
    margin: 0;
    padding: 0;
    font-family: 'roboto', sans-serif;
    height: 100vh;
    width: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #35477D;
}
button{
    width: 80px;
    height: 50px;
    border: solid black;
    text-emphasis: 500px;
    transition: all 0.3s ease 0s;
    background: none;
    font-size: 30px;
}

button:hover{
    opacity: 0.7;
}
button:active{
    opacity: 0.5;
}
#zeroButton{
    width: 100%;
}
#calcContainer{
    display: flex;
    width: 350px;
    height: auto;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    gap: 10px;
    background: #95A792;
    padding: 10px;
    border: solid black;
}
#display{
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-end;
    font-size: 50px;
    height: 80px;
    width: 100%;
    border: solid black;
    overflow: hidden;
}
#display span{
    padding-right: 5px;
    white-space: nowrap;
}
#buttonContainer{
    display: flex;
    flex: 0 0 auto;
    gap: 10px;
}
#numContainer{
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

#numContainer .display, #display{
    background: #e3d1b5;
}

#numContainer button#clr{
    background: rgb(229, 77, 77);
}

#operators{
    display: flex;
    flex-direction: column;
    gap: 10px;
}
#operators button, #sqrt, #negative{
    background: rgb(227, 159, 32);
}