old_tarasis.net/FrontendMentor/newbie/order-summary-component/css/style.css

@import url("https://fonts.googleapis.com/css2?family=Red+Hat+Display:wght@500;700;900&display=swap");

/* 
    Mobile Screen Width: 375 x 709
    Figma Box : 327 x 567
    Ratio 0.872 x 0.7997179126 
    
    Desktop Width: 1440 x 900
    Figma Box: 450 x 697
    Ratio 0.3125 x 0.7744444444
*/
:root {
    /* Colors */
    --clr-pale-blue: hsl(225, 100%, 94%);
    --clr-bright-blue: hsl(245, 75%, 52%);

    --clr-very-pale-blue: hsl(225, 100%, 98%);
    --clr-desaturated-blue: hsl(224, 23%, 55%);
    --clr-dark-blue: hsl(223, 47%, 23%);
    --clr-light-purple: hsla(245, 83%, 68%, 1);

    /* Fonts */
    --fs-p: 1rem;
    --fw-500: 500;
    --fw-700: 700;
    --fw-900: 900;

    /* Border Radii */
    --br-11: 11px;
    --br-20: 20px;

    /* Scaling fonts between the left and right sizes */
    --font-width-15px-16px: clamp(0.94rem, 0.92rem + 0.09vw, 1rem);
    --font-width-14px-16px: clamp(0.88rem, 0.83rem + 0.19vw, 1rem);

    /* 
    Used for the Price Plan box and the Proceed to Payment button
    sensibly these should be two seperate variables in case the
    components where used in different places */
    --box-width: 85%;

    --page-background-img: url("../images/pattern-background-mobile.svg");
}

*,
::before,
::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* because I want it to affect the link color */
    color: var(--clr-desaturated-blue);
}

/* General Formatting */

html,
body {
    min-height: 100vh;
    width: 100%;
}

body {
    font-family: "Red Hat Display", sans-serif;
    background-color: var(--clr-pale-blue);
}

main {
    background-image: var(--page-background-img);
    background-repeat: no-repeat;
    min-height: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Order Summary Card formatting */

.card {
    width: clamp(327px, 32%, 450px);
    border-radius: var(--br-20);
    background-color: white;
    text-align: center;

    box-shadow: 0px 40px 40px -20px rgba(13, 48, 189, 0.151826);
}
.card__hero-image {
    width: 100%;
    border-radius: var(--br-20) var(--br-20) 0 0;
    margin-bottom: clamp(2rem, 8vw, 2.815rem);
}

.card__title {
    font-weight: var(--fw-900);
    font-size: clamp(1.375rem, 2.5vw, 1.815rem);
    line-height: 1.3195;
    margin-bottom: 1rem;
    color: var(--clr-dark-blue);
}

.card__info {
    font-weight: var(--fw-500);
    margin: 0 clamp(2rem, 4vw, 3rem);
    font-size: var(--font-width-15px-16px);
    margin-bottom: 1.5rem;
    line-height: 162%;
}

.card__price-plan {
    display: flex;
    justify-content: space-around;
    align-items: center;

    width: var(--box-width);
    margin: 0 auto clamp(1.5rem, 2vw, 2rem) auto;
    padding: clamp(1rem, 2vw, 1.5315rem) 0;

    border-radius: var(--br-11);
    background-color: var(--clr-very-pale-blue);
}

.card__plan-type-area {
    line-height: 1.3125;
}

.card__plan-type {
    color: var(--clr-dark-blue);
    font-size: var(--font-width-14px-16px);
    font-weight: var(--fw-900);
    margin-bottom: clamp(0.1875rem, 0.8vw, 0.375rem);
}
.card__plan-price {
    font-size: var(--font-width-14px-16px);
    font-weight: 500;
}
.card__change-button {
    font-size: clamp(0.813rem, 0.79rem + 0.09vw, 0.88rem);
    font-weight: var(--fw-700);
    color: var(--clr-bright-blue);
}

.card__button-area a {
    display: block;
    text-decoration: none;
    font-weight: var(--fw-900);
    font-size: 0.9375rem;
    line-height: 20px;
}
.card__payment-button {
    color: white;
    background-color: var(--clr-bright-blue);
    width: var(--box-width);
    margin: 0 auto clamp(1.5rem, 4vw, 2rem) auto;
    box-shadow: 0px 20px 20px rgba(56, 42, 225, 0.190291);
    border-radius: var(--br-11);
    padding: 15px 0;
}
.card__cancel-button {
    margin-bottom: clamp(2rem, 8vw, 3rem);
}

.card__change-button:is(:hover, :focus) {
    color: var(--clr-light-purple);
}

.card__payment-button:is(:hover, :focus) {
    background-color: var(--clr-light-purple);
}

.card__cancel-button:is(:hover, :focus) {
    color: var(--clr-dark-blue);
}

@media screen and (min-width: 376px) {
    :root {
        --box-width: 80%;
        --page-background-img: url("../images/pattern-background-desktop.svg");
    }
}