* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 10px;

    height: 100vh;
    overflow: hidden;

    background-color: #218c4a;
    font-family: Arial, sans-serif;

    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 50%;
    max-width: 450px;

    background-color: white;

    padding: 15px 25px;

    border-radius: 16px;
}

/* TITLE */
h1 {
    margin: 0;

    text-align: center;

    font-size: 27px;
    color: #08752a;
}

h3 {
    margin: 2px 0 12px;

    text-align: center;

    font-size: 15px;
    font-weight: normal;
    color: #333;
}

/* LABELS */
h4 {
    margin: 7px 0 3px;

    font-size: 15px;
}

/* INPUTS */
input {
    width: 100%;
    height: 32px;

    padding: 5px 10px;

    border: 1px solid #ccc;
    border-radius: 7px;

    font-size: 14px;
}

/* BUTTON */
button {
    width: 100%;
    height: 36px;

    margin-top: 12px;

    border: none;
    border-radius: 7px;

    background-color: #08752a;
    color: white;

    font-size: 14px;

    cursor: pointer;
}

button:hover {
    background-color: #065f22;
}

/* RESULT */
#result {
    margin: 5px 0 0;

    text-align: center;

    font-size: 13px;
    line-height: 1.3;

    color: #08752a;
    font-weight: bold;
}

/* Back button */
.back-button {
    display: inline-block;
    text-decoration: none;
    color: white;
    padding: 12px 22px;
    border-radius: 30px;
    margin: 5px;
    transition: .3s;

}

.back-button {
    background: #2997ff;
    margin-top: -490px;
    
}
.back-button:hover {
    background: #39ffb6;
    color: black;
}