index.css

:root{
    /* Colors */

    --white: hsl(0, 0%, 100%);
    --light-pink: hsl(275, 100%, 97%);
    --grayish-purple: hsl(292, 16%, 49%);
    --dark-purple: hsl(292, 42%, 14%);
}

*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body{
    height: 100vh;
    font-family: "Work Sans", sans-serif;
    background-image: url(./assets/images/background-pattern-mobile.svg);
    background-repeat: no-repeat;
    background-size: contain;
    background-color: var(--light-pink);
    color: var(--dark-purple);
}

main{
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

h1{
    font-weight: 700;
}

h2{
    font-size: 16px;
    font-weight: 600;
}

p{
    font-size: 16px;
    color: var(--grayish-purple);
    font-weight: 400;
    font-size: 14px;
    line-height: 140%;
}

.accordion{
    background-color: var(--white);
    border-radius: 0.5rem;
    padding: 1rem;
    width: 20rem;
}

.accordion-heading{
    display: flex;
    align-items: center;
    gap: 1rem;
}

.accordion-heading-icon{
    width: 1.5rem;
}

.accordion-heading-title{
    font-size: x-large;
}

.accordion-tile-content{
    padding-bottom: 1rem;
}

.accordion-tile-content-wrapper{
    transition: max-height 0.3s ease-out;
    max-height: 0;
    overflow: hidden;
}

.accordion-tile-heading{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.accordion-tile-heading-title:hover{
    color: var(--grayish-purple);
    cursor: pointer;
}

.accordion-tile-heading-minus-icon, .accordion-tile-heading-plus-icon{
    flex-shrink: 0;
}

.accordion-tiles div.accordion-tile{
    border-bottom: 2px solid var(--light-pink);
}

.accordion-tiles div.accordion-tile:last-child{
    border-bottom: none;
}

.accordion-tile[data-status="hidden"] .accordion-tile-heading .accordion-tile-heading-minus-icon{
    display: none;
}

.accordion-tile[data-status="hidden"] .accordion-tile-heading .accordion-tile-heading-plus-icon{
    display: inline;
}

.accordion-tile[data-status="visible"] .accordion-tile-heading .accordion-tile-heading-minus-icon{
    display: inline;
}

.accordion-tile[data-status="visible"] .accordion-tile-heading .accordion-tile-heading-plus-icon{
    display: none;
}

@media (min-width: 375px) {
    body{
        height: 100vh;
        font-family: "Work Sans", sans-serif;
        background-image: url(./assets/images/background-pattern-desktop.svg);
        background-repeat: no-repeat;
        background-size: contain;
        background-position-y: -1px;
        background-position-x: 0px;
        background-color: var(--light-pink);
        color: var(--dark-purple);
    }
}