style.css

* {
    margin: 0;
    padding: 0;
    font-family: 'Avenir', 'helvetica neue', helvetica, arial, sans-serif;
    -webkit-tap-highlight-color: transparent;

}
body{
    overflow: hidden;
}
.firstLaunch {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    box-sizing: border-box;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.firstLaunch h1 {
    font-size: 5rem;
    margin-bottom: 2rem;
}

.firstLaunch p {
    font-size: 3rem;
    margin-bottom: 4rem;
}

.firstLaunch form {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

.firstLaunch input[type="date"] {
    font-size: 2rem;
    padding: 1rem;
    border: none;
    outline: none;
    border-radius: 1rem;
    margin-right: 1rem;
    background: #1b1b1b;
    color: #fff;
    transition: all 0.3s ease-in-out;
    filter: drop-shadow(0 0 0.75rem #dddddd);
}

.firstLaunch input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

.firstLaunch input[type="date"]:is(:focus, :active, :hover) {
    background: #000000;
    transform: translateY(-0.3rem);
}

.firstLaunch input[type="date"]::-webkit-input-placeholder {
    color: #fff;
}

.firstLaunch input[type="date"]::-moz-placeholder {
    color: #fff;
}

.firstLaunch input[type="date"]::-ms-input-placeholder {
    color: #fff;
}

.firstLaunch input[type="submit"] {
    font-size: 2rem;
    padding: 1rem;
    border: none;
    outline: none;
    border-radius: 1rem;
    background: #1b1b1b;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    filter: drop-shadow(0 0 0.75rem #dddddd);
}

.firstLaunch input[type="submit"]:is(:focus, :active, :hover) {
    background: #000000;
    transform: translateY(-0.3rem);
}

.wrapper {
    display: none;
    justify-content: center;
    height: 100vh;
    align-items: center;
}

p,
sup {
    display: inline;
    font-size: 5rem;
    text-align: center;
    font-weight: 600;
    letter-spacing: 0.5px;
}

sup {
    font-size: 3rem;
    margin-top: -1rem;
}

.settingsIcon {
    display: none;
    position: fixed;
    top: 0.5rem;
    left: 1rem;
    font-size: 4rem;
    cursor: pointer;
    background: none;
    border: none;
    outline: none;
    transition: all 0.3s ease-in-out;
}

.settings {
    display: none;
    position: absolute;
    justify-content: center;
    align-items: center;
    height: fit-content;
    width: fit-content;
    box-sizing: border-box;
    font-weight: 600;
    letter-spacing: 0.5px;
    background: #fbfbfb;
    padding: 2rem;
    border-radius: 0 0 1.5rem 0;
    filter: drop-shadow(0 0 0.75rem #bbbbbb);
}

.settings .settingsContainer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: left;
    height: 100%;
    width: 100%;
}

.settings h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
}

.settings h3 {
    font-size: 2rem;
}

.settingsForm {
    display: flex;
    justify-content: flex-start;
    align-items: left;
    margin-top: 1rem;
}

.settingsContainer label {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.settings input[type="checkbox"] {
    font-size: 5rem;
    padding: 10rem;
}

.settings input[type="date"] {
    font-size: 1rem;
    padding: 0rem 1rem;
    border: none;
    outline: none;
    border-radius: 0.5rem;
    margin-right: 1rem;
    background: #1b1b1b;
    color: #fff;
    transition: all 0.3s ease-in-out;
    filter: drop-shadow(0 0 0.75rem #dddddd);
}

.settings input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

.settings input[type="date"]:is(:focus, :active, :hover) {
    background: #000000;
    transform: translateY(-0.3rem);
}

.settings input[type="date"]::-webkit-input-placeholder {
    color: #fff;
}

.settings input[type="submit"] {
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border: none;
    outline: none;
    border-radius: 0.5rem;
    background: #1b1b1b;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    filter: drop-shadow(0 0 0.75rem #dddddd);
}

.settings input[type="submit"]:is(:focus, :active, :hover) {
    background: #000000;
    transform: translateY(-0.3rem);
}

@media only screen and (max-width: 700px) {
    .firstLaunch {
        flex-direction: column;
    }

    .firstLaunch h1 {
        font-size: 3rem;
        margin-bottom: 1rem;
    }

    .firstLaunch p {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .firstLaunch form {
        flex-direction: column;
    }

    .firstLaunch input[type="date"] {
        font-size: 1.5rem;
        padding: 0.5rem;
        margin-right: 0;
        margin-bottom: 1rem;
        color: #fff;
    }

    .firstLaunch input[type="date"]::-webkit-calendar-picker-indicator {
        filter: invert(0);
        color: #fff;
    }

    .firstLaunch input[type="submit"] {
        font-size: 1.2rem;
        padding: 1rem;
    }


    p,
    sup {
        font-size: 3rem;
    }

    sup {
        font-size: 2rem;
    }

    .settings {
        padding: 1.5rem;
    }

    .settings h2 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }

    .settings h3 {
        font-size: 1.5rem;
    }

    .settingsForm {
        flex-direction: column;
    }

    .settings input[type="checkbox"] {
        font-size: 3rem;
        padding: 5rem;
    }

    .settings input[type="date"] {
        font-size: 1rem;
        padding: 0.5rem;
        margin-right: 0;
        margin-bottom: 1rem;
        color: #fff;
    }

    .settings input[type="date"]::-webkit-calendar-picker-indicator {
        filter: invert(0);
        color: #fff;
    }

    .settings input[type="submit"] {
        font-size: 1rem;
        padding: 0.5rem 1rem;
        width: fit-content;
    }

}