style.css

@import url('https://fonts.googleapis.com/css2?family=Protest+Riot&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Protest Riot", sans-serif;
    font-weight: 400;
    font-style: normal;
    letter-spacing: 1.5px;
}

.main-container {
    height: 100vh;
    width: 100vw;
    background: #6441A5;
    background: -webkit-linear-gradient(to right, #2a0845, #6441A5);
    background: linear-gradient(to right, #2a0845, #6441A5);
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    /* border: 2px solid white; */
    background: #485563;
    background: -webkit-linear-gradient(to right, #29323c, #485563);
    background: linear-gradient(to right, #29323c, #485563);
    padding: 2rem;
    box-shadow: 0px 0px 20px white, 0px 0px 40px white;
    border-radius: 10px;
}

.container h1 {
    font-size: 3.5rem;
    color: gold;
    text-shadow: 0px 0px 20px rgb(180, 158, 32);
    text-align: center;
}

.select {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    gap: 2rem;
    padding: 0rem 2rem;
    /* border: 2px solid white; */
}

.select h2 {
    font-size: 2.5rem;
    color: #ff6b6b;
    text-shadow: 0px 0px 20px #954545;
    text-align: center;
}

select {
    font-size: 1.5rem;
    outline: none;
    border: none;
    padding: 0.2rem 0.5rem;
    border-radius: 5px;
}

.submit-btn {
    border: 2px solid white;
    border-radius: 5px;
    font-size: 1.6rem;
    padding: 1rem 2rem;
    text-shadow: 0px 0px 20px #dc8a87, 0px 0px 40px #dc8a87;
    background: #e52d27;
    background: -webkit-linear-gradient(to right, #b31217, #e52d27);
    background: linear-gradient(to right, #b31217, #e52d27);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    display: block;
}

.submit-btn.hide {
    display: none;
}

.submit-btn2 {
    border: 2px solid white;
    border-radius: 5px;
    font-size: 1.6rem;
    padding: 1rem 2rem;
    text-shadow: 0px 0px 20px #dc8a87, 0px 0px 40px #dc8a87;
    background: #e52d27;
    background: -webkit-linear-gradient(to right, #b31217, #e52d27);
    background: linear-gradient(to right, #b31217, #e52d27);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    display: block;
}

.submit-btn2.hide {
    display: none;
}

.submit-btn:hover {
    transform: scale(1.05);
    transition: all 0.2s ease-in-out;
    box-shadow: 0px 0px 20px white;
}

.submit-btn2:hover {
    transform: scale(1.05);
    transition: all 0.2s ease-in-out;
    box-shadow: 0px 0px 20px white;
}

.output-section {
    font-size: 3.5rem;
    text-transform: uppercase;
    color: #ffa751;
    display: block;
}

.output-section.hide {
    display: none;
}

@media screen and (max-width : 400px) {
    .select {
        flex-direction: column;
    }
}