#calculator {
    margin: 15px auto 15px auto;
    width: 500px;
    height: auto;
    min-height: 500px;
}

#fileInButton {
    float: left;
    margin: 3px 5px 5px auto;
}

.container {
    display: flex;
}

.parent {
    width: 100%;
    min-width: 225px;
    display: grid;
    grid-template: 250px / auto;
    grid-gap: 10px;
}

.parent > div {
    display: inline-block;
    width: 100%;
    min-width: 200px;
    align-items: center;
}

.one {
    grid-area: 1 / 1 / 2 / 2;
}

.two {
    grid-area: 1 / 2 / 2 / 3;
}

.three {
    grid-area: 2 / 1 / 3 / 2;
}

.four {
    grid-area: 2 / 2 / 3 / 3;
}

.one,
.two {
    min-height: 300px;
}

.three,
.four {
    min-height: 150px;
}

.listSelect {
    width: auto;
    height: 170px;
    margin: 2px auto 2px 50px;
}

.container div p {
    text-align: center;
}

#selectorList1,
#selectorList2 {
    width: 125px;
    margin: 10px auto 5px auto;
}

#descript1,
#descript2 {
    text-align: center;
    margin: 35px auto 5px auto;
}

#name1,
#name2 {
    font-style: italic;
}

#age1,
#age2 {
    text-decoration: underline;
}

input {
    display: block;
    margin: 5px auto 20px auto;
}