* {
    margin: 0;
    padding: 0;
}

body::-webkit-scrollbar {
    width: 10px;
    height: auto;
    background-color: #607d8b43;
}

body::-webkit-scrollbar-thumb {
    background-color: rgb(106 212 244);
    border-radius: 10px;
    border: 1px solid rgb(106 212 244);
}

section {
    width: 100%;
    height: 100vh;
    background-color: whitesmoke;
}

#firstSection {
    display: block;
}

.innerContainer {
    background-color: white;
    width: 100%;
    height: 100vh;
}

.heading {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}

h1 {
    color: rgba(113, 208, 255, 0.808);
    font-family: monospace;
    font-size: 4em;
    letter-spacing: 2px;
}

.heading img {
    width: 50px;
    height: 50px;
    box-shadow: 0px 0px 10px #607d8b;
    margin: 3px 5px;
    border-radius: 90px;
    padding: 5px;
}

.subContainer {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
}

.box {
    box-shadow: 0px 0px 12px #607d8be0;
    margin: 15px;
    padding: 5px;
    border: 2px solid #607d8b80;
    border-radius: 3px;
    cursor: pointer;
    text-align: center;
}

.box p {
    font-family: monospace;
    font-size: 1em;
    color: rgb(0, 0, 0);
    letter-spacing: 1px;
}

.box img {
    width: 95px;
    height: 86px;
}

#secondSection {
    display: none;
    flex-direction: column;
    width: 100%;
    height: 100vh;
}

.topContainer {
    display: flex;
    flex-direction: row;
    align-items: center;
    flex-wrap: nowrap;
}

.backIconContainer {
    background-color: #ffffff4e;
    width: fit-content;
    height: fit-content;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1px 3px;
    border-radius: 3px;
    border: 2px solid #607d8b43;
    margin: 5px;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 900;
    color: rgba(113, 208, 255, 0.808);
    transition: all 1s;
}

.backIconContainer:hover {
    box-shadow: 0px 0px 10px #607d8b;
    border: 2px solid #607d8b;
    border-radius: 20px;
}

.calcContainer {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 90vh;
}

select {
    width: 125px;
    border-radius: 20px;
    border: 2px solid rgb(69, 69, 69);
    padding: 2px;
    margin: 1px;
    outline: none;
}

.inpCont {
    color: black;
    font-family: monospace;
    padding: 5px;
    margin: 3px;
    width: 350px;
    height: auto;
    text-align: center;
    background-color: whitesmoke;
}

.inpCont input {
    background-color: whitesmoke;
    border-radius: 3px;
    width: 100px;
    border: 2px solid #607d8b;
    outline: none;
    color: black;
    font-size: 1em;
    padding: 2px;
    font-family: monospace;
}

.numPad {
    border: 2px solid whitesmoke;
    border-radius: 4px;
    box-shadow: 0px 0px 12px #607d8b;
    padding: 2px;
    width: 220px;
    height: 250px;
    margin: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.row {
    margin: 3px;
    padding: 3px;
    width: 100%;
    text-align: center;
}

.row button {
    color: black;
    font-size: 1.1em;
    padding: 4px 7px;
    margin: 2px 5px;
    width: 40px;
    height: auto;
    border: 2px solid whitesmoke;
    background-color: whitesmoke;
    border-radius: 3px;
    cursor: pointer;
    box-shadow: 0px 0px 7px #607d8b;
    transition: all 1s;
}

.row button:hover {
    box-shadow: inset 0px 0px 5px #607d8b43;
    border: 2px solid #607d8b68;
}