*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    outline: none;
    border: none;
}

:root {

    /*primary */
    --purple: hsl(259, 100%, 65%);
    --Light-red: hsl(0, 100%, 67%);

    /*neutral */
    --White: hsl(0, 0%, 100%);
    --Off-white: hsl(0, 0%, 94%);
    --Light-grey: hsl(0, 0%, 86%);
    --Smokey-grey: hsl(0, 1%, 44%);
    --Off-black: hsl(0, 0%, 8%);
}

.poppins-regular-italic {
    font-family: "Poppins", sans-serif;
    font-weight: 400;
    font-style: italic;
}

.poppins-bold {
    font-family: "Poppins", sans-serif;
    font-weight: 700;
    font-style: normal;
}

.poppins-extrabold-italic {
    font-family: "Poppins", sans-serif;
    font-weight: 800;
    font-style: italic;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    width: auto;
    background-color: var(--Light-grey);
}

.container {
    height: auto;
    width: 700px;
    margin-left: 30px;
    margin-right: 30px;
    background-color: var(--White);
    border-radius: 25px 25px 200px 25px;
}

.container section {
    height: 100%;
    width: 100%;
    padding-top: 80px;
    padding-left: 50px;
    padding-right: 50px;
    padding-bottom: 0;
}

.inputs {
    width: 100%;
    height: auto;
    display: flex;
    position: relative;
}

.inputs input {
    height: auto;
    width: 140px;
    font-size: 32px;
    padding: 10px 26px;
    margin-right: 20px;
    border: 1px solid var(--Light-grey);
    border-radius: 10px;
    font-family: "Poppins", sans-serif;
    font-weight: 700;
    font-style: normal;
    transition: 0.3s ease;
    cursor: pointer;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin:  0;
}

.inputs input:focus {
    border-color: var(--purple);
}

.input-container {
    position: relative;
}

.input-container::before {
    position: absolute;
    top: -20px;
    left: 2px;
    letter-spacing: 3px;
    font-family: "Poppins", sans-serif;
    font-weight: 700;
    font-style: normal;
    font-size: 12px;
    color: var(--Smokey-grey);
}

.input-container:nth-child(1)::before {
    content: "DAY";
}

.input-container:nth-child(2)::before {
    content: "MONTH";
}

.input-container:nth-child(3)::before {
    content: "YEAR";
}

.required::after {
    content: "This fiel is required";
    position: absolute;
    font-size: 12px;
    font-family: "Poppins", sans-serif;
    font-weight: 400;
    font-style: italic;
    color: var(--Light-red);
    top: 110%;
    left: 0;
    transition: 0.3s ease;
}

.required::before {
    color: var(--Light-red)!important;
    transition: 0.3s ease;
}

.required-border {
    border: 1px solid var(--Light-red)!important;
}

.valid-day {
    display: none;
    position: absolute;
    top: 110%;
    left: 0;
    color: var(--Light-red);
    font-size: 12px;
    font-family: "Poppins", sans-serif;
    font-weight: 400;
    font-style: italic;
}

.valid-month {
    display: none;
    position: absolute;
    top: 110%;
    left: 0;
    color: var(--Light-red);
    font-size: 12px;
    font-family: "Poppins", sans-serif;
    font-weight: 400;
    font-style: italic;
}

.valid-year {
    display: none;
    position: absolute;
    top: 110%;
    left: 0;
    color: var(--Light-red);
    font-size: 12px;
    font-family: "Poppins", sans-serif;
    font-weight: 400;
    font-style: italic;
}

.button {
    position: relative;
    width: 100%;
    height: auto;
    display: flex;
    justify-content: end;
}

.button::before {
    content: "";
    position: absolute;
    height: 1px;
    width: 100%;
    top: 49%;
    left: 0;
    background-color: var(--Light-grey);
}

.button button {
    cursor: pointer;
    background-color: var(--purple);
    border-radius: 50%;
    padding: 14px;
    transition: .3s ease;
    z-index: 5;
}

.button button:hover {
    background-color: black;
}

.button button:active {
    transform: scale(0.9);
}

.output {
    margin-bottom: 30px;
    height: auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: start;
    font-family: "Poppins", sans-serif;
    font-weight: 800;
    font-style: italic;
    font-size: 70px;
    color: var(--purple);
}

.output div {
    position: relative;
    height: 80px;
}

.output div::after {
    position: absolute;
    top: 0px;
    left: 110%;
    color: var(--Off-black);
    font-size: 70px;
}

.years-out::after{
    content: "years";
}

.month-out::after{
    content: "months";
}

.day-out::after{
    content: "days";
}

@media screen and (max-width: 640px) {
    .inputs {
        justify-content: space-between;
    }

    .inputs input {
        margin-right: 0;
        font-size: 20px;
        width: 100px;
        padding: 10px 20px;
        margin-left: 5px;
        margin-right: 5px;
    }

    .button {
        margin-top: 30px;
        justify-content: center;
    }

    .container {
        border-radius: 25px 25px 100px 25px;;
    }


    .output div::after {
        font: 50px;
    }

    .required::after {
        font-size: 9px;
        left: 6px;
    }
}

@media screen and (max-width: 450px) {

    .container section {
        padding: 70px 10px;
    }

    .output div {
        height: 70px;
    }

    .output div::after {
        font-size: 60px;
        top: 0px;
    }

    .output {
        margin-bottom: 0px;
    }

    .button button svg {
        height: 24px;
        width: 24px;
    }

}