* {
    margin: 0;
    padding: 0;
    text-align: center;
}

h1 {
    background-color: lightcyan;
    padding: 10px;
    box-shadow: 0px 0px 4px #afafb6;
}

h2 {
    margin-top: 30px;
}

.box-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.box-container .btn {
    height: 110px;
    width: 110px;
    border: 4px solid black;
    border-radius: 20px;
    margin: 10px;
    cursor: pointer;
}

.red {
    background-color: #d95980;
}

.yellow {
    background-color: #f99b45;
}

.green {
    background-color: #63aac0;
}

.purple {
    background-color: #819ff9;
}

.flash {
    background-color: white;
}


@media (max-width: 400px) {
    h2 {
        font-size: 22px;
    }
}