body, input {
    font-size: 1.25rem;
}
#box {
    align-items: center;
    display: flex;
    float: left;
}
#labels {
    float: left;
    width: 50%;
}
#settings {
    float: right;
    width: 50%;
}
span {
    line-height: 30px;
}
input {
    height: 30px;
    text-align: right;
    width: 100%;
}