style.css

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: rgb(0,151,188);
    background: linear-gradient(90deg, rgba(0,151,188,1) 0%, rgba(252,70,107,1) 100%);
    font-family: 'Press Start 2P', sans-serif;
    color: #F8F8FF;
}

.container {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

form {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 2rem;
    border-radius: 1.8rem;
}

h2, h6, .btn {
    text-transform: uppercase;
}

.options {
    display: flex;
    justify-content: center;
    align-items: center;
}

.option {
    width: 33.3%;
    height: 3rem;
    font-size: 2em;
    text-align: center;
}

.ten {
    width: 99.9%;
}

.btn {
    margin: auto;
}

.wrongOption {
    background-color: red;
    color: white;
}

@media (min-width: 950px) {
    form {
        width: 50%;
    }
    .btn {
        width: 51%;
    }
}