body{
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(135deg, #d6ca98, #b8a96d);
    text-align: center;
    min-height: 100vh;
    transition: background-color 0.3s ease;
}

/* Title */
h1{
    margin-top: 20px;
    font-size: 40px;
    letter-spacing: 2px;
    color: #333;
}

/* Credit */
.credit{
    font-size: 14px;
    margin-top: -10px;
    margin-bottom: 20px;
    color: #444;
    font-style: italic;
}

/* Level Text */
h2{
    font-weight: 500;
    color: #222;
}

/* Button container */
.btn-container{
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

/* Game buttons */
.btn{
    height: 200px;
    width: 200px;
    border: none;
    border-radius: 30px;
    margin: 1rem;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    box-shadow: 3px 3px 10px rgba(0,0,0,0.3);
}

/* Hover effect */
.btn:hover{
    transform: scale(1.05);
    box-shadow: 6px 6px 18px rgba(0,0,0,0.5);
}

/* Start Button */
#btn_el{
    display: block;
    background-color: white;
    width: 120px;
    height: 40px;
    margin-bottom: 30px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.4);
    transition: 0.3s;
}

#btn_el:hover{
    transform: scale(1.05);
    box-shadow: 4px 4px 15px rgba(0,0,0,0.6);
}

/* Responsive */
@media(max-width: 450px){
    .btn{
        height: 130px;
        width: 130px;
        border-radius: 20px;
    }

    #btn_el{
        display: block;
        width: 90px;
        height: 35px;
    }
}

/* Colors */
.red{
    background-color:#FF6B6B;
}

.yellow{
    background-color:#FFD93D;
}

.green{
    background-color:#6BCB77;
}

.purple{
    background-color:#845EC2;
}

/* Flash Effects */
.flash{
    background-color: white !important;
}

.userflash{
    background-color: black !important;
}