* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html, body {
    width: 100%;
    height: 100%;
}

main {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    background: radial-gradient(circle at top, #202020, #0f0f0f);
    overflow: hidden;
}

#head{
    color: white;
    font-size: 2rem;
    animation: pop 0.4s ease;
}

@keyframes pop {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

#box {
    min-width: 260px;
    min-height: 240px;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    border: 2px solid rgba(255, 255, 255);
    border-radius: 14px;
    box-shadow: 0 0 25px rgba(0,0,0,0.4);
    color: white;
    transition: all 0.4s ease;
    animation: pop 0.4s ease;
}

button {
    padding: 0.9rem 1.4rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    background: linear-gradient(135deg, #ffffff, #e8e8e8);
    font-weight: 600;
    transition: all 0.3s ease;
    animation: pop 0.4s ease;
    box-shadow: 0 5px 15px rgba(255,255,255,0.2);
}

button:hover {
    background: linear-gradient(135deg, #e4e4e4, #cfcfcf);
}

button:active {
    transform: scale(0.92);
}

span {
    font-size: 1.2rem;
}


@media (max-width:468px) {
    #box {
        min-width: 200px;
        min-height: 200px;
        padding: 1.5rem;
    }

    button {
        padding: 0.7rem 1.1rem;
        font-size: 1rem;
    }

    h1{
        font-size: 1.5rem;
        text-align: center;
    }
    h3{
        font-size: 1rem;
        text-align: center;
    }
    
}