styles.css

body {
    font-family: 'Roboto', sans-serif;
    background-color: #232323;
    padding: 0;
    margin: 0;
}

.top-menu {
    margin-top: 0;
    background-color: white;
    text-align: center;

}

#header{
    background-color: crimson;
    color: white;
    padding-bottom: 1rem;
}

h2, h3 {
    margin-top: 0;
    margin-bottom: 0;
}

#buttons-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0;
}

#new-colors-button-container {
    width: 100px;
}

#difficulty-buttons-container {
    width: 300px;
}

#prompt {
    font-size: 1.25rem;
}

.color-row {
    display: flex;
    justify-content: center;
}

.square {
    position: relative;
    width: 50%;
    background-color: purple;
    border-radius: 1.5rem;
    margin: 1rem 1rem !important;
}

.square:after {
    content: "";
    display: block;
    padding-bottom: 100%;
}