style.css

body {
    background-color: #e2ece9;
}

.header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 1rem;
}

.header img {
    width: 5rem;
    height: 5rem;
    margin-right: 1rem;
}

.header h1 .letter1 {
    color: #ff70a6;
}

.header h1 .letters {
    color: #ff9770;
}

.header h1 .symbol {
    color: #70d6ff;
}

.content h2 {
    font-size: 30px;
    text-align: center;
    margin-top: 0;
    color: #2b2d42;
}

h2 span {
    border: solid 4px #ff70a6;
    background-color: #708d81a4;
    padding: 0.2rem 0.5rem 0.2rem 0.5rem;
}

.content .btn-container {
    display: flex;
    justify-content: center;
    padding: 1.5rem;
}

.btn-container .btn {
    width: 180px;
    height: 180px;
    border: 5px solid #03045e;
    margin: 0.5rem;
}

.btn-container .btn:hover {
    cursor: pointer;
}

.orange {
    background-color: #ffac81;
    border-radius: 170px 10px 10px 10px;
}

.pink {
    background-color: #ff6392;
    border-radius: 10px 10px 10px 170px;
}

.blue {
    background-color: #8093f1;
    border-radius: 10px 170px 10px 10px;
}

.green {
    background-color: #84dcc6;
    border-radius: 10px 10px 170px 10px;
}

.flash {
    background-color: #fff;
}