style.css

* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    font-family: sans-serif;
}

body {
    display: flex;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    align-items: center;
    background: linear-gradient(to right, #2e1e4f, #4735ee);
}

.container {
    display: flex;
    flex-direction: column;
    padding: 2rem;
    background: rgba(113, 10, 154, 0.25);
    box-shadow: 0px 8px 32px rgba(31, 38, 135, 0.37);
    backdrop-filter: blur(4px);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: background 0.3s ease-in-out;
}

.key-container {
    display: flex;
    flex-direction: column;
    font-size: 20px;
    font-weight: bold;
    padding: 20px;
    color: #fff;
    margin: 2.5rem;
    min-width: 150px;
    background: rgba(0, 255, 252, 0.5);
    box-shadow: 0px 8px 32px rgba(31, 38, 135, 0.37);
    backdrop-filter: blur(2.5px);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: background 8.3s ease-in-out;
}

.key-container h4 {
    position: relative;
    top: -1rem;
    text-align: center;
    width: 100%;
    color: white;
}

.key-content-animation {
    margin-top: 10px;
    background: #00f0f5;
    padding: 10px;
    border-radius: 8px;
    color: black;
    font-size: 24px;
    transition: transform 0.5s ease-in-out;
}

.key-content-animation.active {
    transform: scale(1.1);
}

.container:hover {
    background: rgba(255, 255, 255, 0.35);
}

.key-container:hover {
    background: rgba(0, 255, 252, 0.7);
}