body,
html {
    font-family: 'Frutiger', sans-serif;
    font-weight: 400;
    font-size: medium;
    background-color: #f0f0f0;
    display: grid;
}

.explanation {
    font-size: large;
    border-width: 2px;
    border-color: black;
    border-style: solid;
    background-color: rgb(159, 238, 79);
    padding: 5px;
}

.form-group,
.flex-item {
    display: grid;
    margin-top: 10px;
    justify-content: center;
    align-items: center;
}

#authentication_form {
    font-size: large;
    padding: 10px;
}

#error_message {
    color: black;
    padding: 10px;
}

input {
    font-size: 16px;
    width: 100%;
}

button {
    /* Base styles */
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    border: none;
    border-radius: 8px;
    cursor: pointer;

    /* Glossy gradient */
    background: linear-gradient(to bottom,
            rgba(255, 255, 255, 0.3) 0%,
            rgba(255, 255, 255, 0.1) 50%,
            rgba(0, 0, 0, 0.1) 51%,
            rgba(0, 0, 0, 0.2) 100%), linear-gradient(135deg, #4da3ff, #1e7cd6);

    /* Glass effect */
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.5) inset,
        0 4px 12px rgba(0, 0, 0, 0.2),
        0 1px 3px rgba(0, 0, 0, 0.3);

}



.container {
    display: grid;
    justify-self: center;
    align-content: center;
    width: 60%;
    margin-top: 20px;
    background-color: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    row-gap: 15px;
}

.survey-iframe {
    display: flex;
    justify-content: center;
    width: 100%;
    height: 100%;
}

iframe {
    border: 1px solid #ddd;
    border-radius: 4px;
    flex-grow: 1;
    height: 800px;
}

.click_action {
    padding-top: 15px;
    justify-self: center;
}