CSS - задача "Разпродажба"

* {
    box-sizing: border-box;
}

main {
    background-color: rgb(137, 184, 184);
    width: 1500px;
    height: 1000px;
    margin: auto;
}

img {
    height: 300px;
}

h1 {
    text-align: center;
    font-size: 60px;
    padding: 50px;
    color: darkred;
}

.card {
    height: 500px;
    width: 40%;
    background-color: white;
    border-radius: 50px;
    text-align: center;
}

.cards {
    display: flex;
    justify-content: space-around;

}

h3 {
    color: darkred;
    font-size: 40px;
    text-align: center;
}

p {
    background-color: red;
    color: yellow;
    font-size: 50px;
    text-shadow: 1px 1px black;
}