body { 
    margin: 0; 
    font-family: sans-serif; 
    background-color: #f0f2f5; 
}

.header { 
    background-color: #ffffff; 
    padding: 20px; 
    text-align: center;
    border-bottom: 1px solid #dddddd;
}

.game-grid { 
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    padding: 10px;
}

.game-card { 
    background-color: #ffffff; 
    width: 40%;
    margin: 10px 0;
    padding: 20px 10px; 
    border-radius: 15px; 
    text-align: center; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.05); 
}

.icon-box { 
    width: 40px; 
    height: 40px; 
    border-radius: 10px; 
    margin: 0 auto 10px; 
    background-color: #3498db;
}

.bottom-nav { 
    position: fixed; 
    bottom: 0; 
    width: 100%; 
    height: 60px; 
    background-color: #ffffff; 
    display: flex; 
    justify-content: space-around; 
    align-items: center; 
    border-top: 1px solid #dddddd; 
}