style.css

body {
    /* background-color: #3AAFA9; */
    background-color: #3AAFA9;
    margin: 0 auto;
    font-family: 'Montserrat', sans-serif;
}

header {
    font-size: 40px;
    color: #27363B;
    text-transform: upperCase;
    font-weight: 700;
    margin-bottom: 30px;
    /* text-shadow: -1.5px 0 #27363B, 0 1.5px #27363B, 1px 0 #27363B, 0 -1px #27363B; */
}

input {
    width: 300px;
    border: none;
    border-radius: 5px;
    padding: 20px;
    font-size: 18px;
    color: #425E5E;
    margin: 20px;
    box-shadow: 0px 3px 7px 0px rgb(0 0 0 / 15%);
    outline: none;
}

p {
    color: #425E5E;
    font-size: 20px;
    /* white-space: pre-line; */
    padding: 20px;
}

.description {
    color: #425E5E;
    /* font-weight: 400; */
    font-style: italic;
    font-size: 20px;
    margin: 0;
}

.box {
    margin: 100px auto 0;
    padding: 30px;
    text-align: center;
    min-height: 300px;
    max-width: 500px;
    border-radius: 5px;
    background: #f5f5f5;
    box-shadow: 0px 3px 7px 0px rgb(0 0 0 / 15%);
    margin-bottom: 120px;
}

@media (max-width: 600px) {
    .box {
        width: 100%;
    }
}

.instruction {
    font-size: 16px;
    margin: 0;
}

.result {
    font-size: 18px;
    color: #27363B;
    margin: 0;
    line-height: 1.7;
}

.paragraph {
    font-size: 22px;
    padding: 0;
    margin: 0;
    font-weight: 900;
    text-transform: upperCase;
}

footer {
    text-align: center;
    height: 80px;
    width: 100vw;
    position: fixed;
    bottom: 0;
    background-color: #27363B;
}

.footerParagraph {
    margin: 0;
}

img {
    max-width: 400px
}

.hidden {
    display: none;
}

.errorMessage {
    color: crimson;
    font-size: 14px;
    margin: 0
}