body {
    margin: 0%;
    width: 100%;
    height: 100vh;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    display: flex;
    flex-flow: row nowrap;
    font-family: monospace, Arial, Helvetica, sans-serif;
}


#SettingsTab {
    aspect-ratio: 1/6;
    padding: 0%;
    border-right: solid black 1px;
    background-color: #02b87520;
    flex: 0;
    display: flex;
    flex-flow: column nowrap;
}

#swapVisibilityButton {
    flex: 0;
    margin: 5px;
    width: 25%;
    align-self: flex-end;

}

#buttonContainer {
    display: flex;
    flex-flow: column nowrap;
}

#buttonContainer label {
    margin-left: 5px;
}

#buttonContainer input {
    vertical-align: middle;
    position: relative;
    top: 2px;
    float: right;
    border: solid black 0.1vw
}

#mainWindow {
    flex: 11;
    display: flex;
    justify-content: space-evenly;
}

.Window {
    display: flex;
    flex-flow: column nowrap;
    background-color: #e9e9e9;
    border: solid 0.1vw #000000;
}

#Calculator {
    aspect-ratio: 1/2;
    flex-flow: column nowrap;
    width: 500px;
}

#Calculator #DisplayBox {
    margin: 25px 0px;
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-evenly;
    height: 30%;
    background-color: #fcfcfc;
}

.Line {
    -webkit-touch-callout: text;
    -webkit-user-select: text;
    -khtml-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;

    text-align: right;

    display: flex;
    flex-flow: row nowrap;
    justify-content: right;
    overflow-x: clip;
    overflow-y: visible;
}

.Line#MainDisplayLine {
    font-size: 2em;
}



.Line#ThirdDisplayLine {
    opacity: 0.25;
}

.Line#SecondDisplayLine {
    opacity: 0.5;
}

.Exponent {
    font-size: 0.75em;
    position: relative;
    bottom: 50%;
}


#calculatorButtons {
    background-color: #fcfcfc;
    display: flex;
    flex-flow: row wrap;
    flex: 1 50%;
}

#calculatorButtons button {
    flex: 1 25%;
    border: solid black 0.1vw;
    border-radius: 5%;
}

#calculatorButtons button:hover {
    background-color: #dddddd;
}

#calculatorButtons button:active {
    background-color: #b6b5b5;
}

#calculatorButtons button.bigButton {
    flex: 2 25%;
}

.error {
    background-color: red;
    animation: 1.5s blink ease-out infinite;
}

@keyframes blink {

    from,
    to {
        background-color: #ff000022;
    }

    50% {
        background-color: #ff0000aa;
    }
}

@media only screen and (max-width: 600px) {
    body {
        flex-flow: column nowrap;
    }

    #SettingsTab {
        flex: 0 25px;
        aspect-ratio: unset;
    }

    #swapVisibilityButton {
        width: 100%;
        order: 1;
    }

    #buttonContainer {
        order: 0;
        float: none;
        flex-flow: row nowrap;
        justify-content: space-evenly;
    }

    #Calculator {
        aspect-ratio: unset;
        flex: 1;
    }

}