style.css

body {
    padding: 2rem;
}

.card-content {
    padding: 1rem;
    display:flex;
    justify-content:center;
    align-items:center;
}

.card-content button{
    display:none;
    font-size:2rem;
    margin-left:.5rem;
}

.card-row {
    display: flex;
    justify-content: start;
    align-items: center;
    flex-wrap: wrap;
    gap: .25rem;
}

.button-row{
    display: flex;
    justify-content: start;
    align-items: center;
    flex-wrap: wrap;
    gap: .25rem;
    margin-bottom:.5rem;
}

button{
    appearance: none;
    background-color:deepskyblue;
    border: none;
    border-radius: 5px;
    outline: none;
    cursor: pointer;
    padding: .5rem;
    transition: all 0.2s;
}

button:hover{
    background-color: hsl(195, 100%, 60%);
    color: white;
}

.card {
    border: 1px solid #eee;
    border-radius: 5px;
    margin: .5rem;
    background-color: hsl(0, 0%, 97%);
    transition: all 0.2s;
}

.card-clicked{
    width:60%;

}

.card-clicked button{
    display:block;
}

.card-hidden{
    display:none;
}

.rect-img-container {
    position: relative;
}

.rect-img-container::after {
    content: "";
    display: block;
    padding-bottom: 100%;
}

.card-clicked .rect-img-container::after{
    padding-bottom:60%;
}

.rect-img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.timer {
    width: 200px;
    height: 200px;
    background: conic-gradient(#444 0deg, #eee 0deg 170deg);
    border-radius: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: rotate(180deg) scaleX(-1);
}

.cutout {
    width: 165px;
    height: 165px;
    background: white;
    border-radius: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.amount {
    font-size: 2rem;
    font-weight: bold;
    font-family: 'Lucida Sans', sans-serif;
    text-align: center;
    transform: rotate(180deg) scaleX(-1);
}