body{
    text-align: center;
    background-color: #111;
    font-family: 'Orbitron', sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
h1 {
    color: #ff00aa;
    font-size: 3rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px #ff00aa;
}
h3{
    color: white;
    font-size: 1.2rem;
    /* margin-top: 0;
    margin-bottom: 2rem; */
}
.container {
    margin: 0 auto;
    width: 330px;
    display: grid;
    grid-template-columns: repeat(2, 150px);
    grid-gap: 20px;
    justify-content: center;
}
.box {
    width: 150px;
    height: 150px;
    border-radius: 20px;
    border: 2px solid white;
    box-shadow: 0 0 20px #ffffff22;
    transition: transform 0.1s ease, box-shadow 0.2s ease;
    cursor: pointer;
}
.box:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px #ffffff55;
}
.blue {
    background-color: #3498db;
    box-shadow: 0 0 10px #3498db;
}
.green {
    background-color: #2ecc71;
    box-shadow: 0 0 10px #2ecc71;
}
.red {
    background-color: #e74c3c;
    box-shadow: 0 0 10px #e74c3c;
}
.yellow {
    background-color: #f1c40f;
    box-shadow: 0 0 10px #f1c40f;
}
.flash{
    /* background-color: black; */
    opacity: 0.5;
    transform: scale(0.95);
}
#start{
    display: none;
    /* padding: 8px 16px; */
    background-color: #e91e63;
    color: white;
    /* font-size: 3rem; */
    border: none;
    border-radius: 50%;
    cursor: pointer;
    margin-top: 3rem;
    transition: transform 0.2s;
    height: 3.5rem;
    width: 3.5rem;
}
.material-symbols-outlined{
    border-radius: 50%;
    transition: transform 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    /* margin: auto auto; */
    font-size: 2.5rem;
}
.material-symbols-outlined:hover{
    transform: scale(1.17);
    box-shadow: 0 0 15px #e91e63;
}

@media(max-width: 450px){
    #start{
            display: block;
    }
    .container{
        grid-template-columns: repeat(2,120px);
        grid-gap: 15px;
    }
    .box{
        width: 120px;
        height: 120px;
    }
    h1{
        font-size: 2.2rem;
    }
    h3{
        font-size: 1rem;;
    }
}
#restart{
    /* display: flex;
    flex-direction: column; 
    justify-content: space-evenly; */
    /* align-items: center; */
    margin-bottom: 1rem;
    
}
.restart-btn {
    padding: 8px 16px;
    background-color: #e91e63;
    color: white;
    font-size: 1rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    margin-top: 1rem;
    transition: transform 0.2s;
}
.restart-btn:hover {
    transform: scale(1.05);
}