custom.css

.page-sun-activity {
    background-color: #f7f7f7;
    padding: 8px 32px 32px 32px;
    max-width: 600px;
    min-width: 320px;
    box-sizing: border-box;
}

.page-sun-activity__header {
    display: block;
    color: #333;
    font-weight: 300;
    padding-bottom: 8px;
    margin: 24px 0 0 0;
    border-bottom: 2px white solid;
    font-family: Open Sans,Helvetica Neue,Helvetica,Arial,sans-serif;
}

.form_fieldset {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: none;
    display: flex;
    flex-direction: column;
    font-family: Open Sans,Helvetica Neue,Helvetica,Arial,sans-serif;
}

.form__header {
    display: block;
    color: #333;
    font-weight: 300;
    font-family: Open Sans,Helvetica Neue,Helvetica,Arial,sans-serif;
    margin: 24px 0 16px 0;
    font-size: 1.3em;
}

.field {
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.field__input {
    padding: 4px;
    margin: 8px 8px 8px 0;
    border-radius: 2px;
    font-size: 14px;
    line-height: 20px;
    box-sizing: border-box;
    border: 1px solid #d9d9d9;
    font-family: Open Sans,Helvetica Neue,Helvetica,Arial,sans-serif;
    font-weight: 300;
}

.field__label {
    font-family: Open Sans,Helvetica Neue,Helvetica,Arial,sans-serif;
    font-weight: 300;
}

.error__message {
    margin: 0 0 24px 0;
    color: orangered;
}

.footer__button {
    display: block;
    padding: 8px 16px;
    border: none;
    border-radius: 3px;
    background-color: #61b2a7;
    font-family: Open Sans,Helvetica Neue,Helvetica,Arial,sans-serif;
    font-weight: 400;
    font-size: 14px;
    cursor: pointer;
    color: white;
}

.footer__button:hover {
    opacity: 0.7;
}

.sun-activity-results {
    margin: 32px 0 0 0;
    border: 1px solid #d9d9d9;
}

.sun-activity-results__result {
    font-family: Open Sans,Helvetica Neue,Helvetica,Arial,sans-serif;
    font-weight: 300;
    font-size: 16px;
    margin: 16px;
}

.sun-activity-results__value {
    font-weight: 400;
}