.all {
    background-color: #062737;
    width: 30vw;
    height: 100%;
    border-radius: 10px;
    padding: 15px;
    margin: 50px auto;
}

.number {
    width: 100%;
    height: 7vh;
    border-radius: 5px;
    background-color: #ffffff;
    color: #062737;
    margin-bottom: 10px;
    font-size: 24px;
}

.firstLine,.secondLine,.thirdLine,.fourthLine,.sexthLine{
    width: 100%;
}

button {
    width: 22%;
    height: 90px;
    border-radius: 50%;
    background-color: #ffffff;
    font-size: 24px;
    margin: 2px;
    font-weight: bold;
    border: 0;
    transition: all .5s;
    outline: 0;
}

button:hover {
    border: 3px solid #5471f1;
}

.space {
    opacity: 0;
}

.one,
.two,
.three,
.four,
.five,
.six,
.seven,
.eight,
.nine,
.zero {
    color: #818d92;
}

.clear,
.division,
.multiplication,
.submission,
.total,
.decimal,
.equal,
.backspace {
    color: #5471f1;
}

.backspace p{
font-weight: bold;
font-size: 40px;
}