* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    margin: 0;
    min-height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;

    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

body.welcome {
    background-image: url("images/background.jpg");
    /* background-size: contain; */
}

body.question1 {
    background-image: url("images/door1.jpg");
    /* background-size: contain; */
}

body.question2 {
    background-image: url("images/door2.jpg");
    /* background-size: contain; */
}

body.question3 {
    background-image: url("images/door3.jpg");
    /* background-size: contain; */
}

body.finish {
    background-image: url("images/finish.jpg");
    background-size: 150%;
    background-position: center;
    background-repeat: no-repeat;
    background-color: black;
    /* background-size: contain; */
}

.container {
    background: #8FBC8F;
    padding: 30px 15px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,.2);
    width: 300px;
    text-align: center;
}

h1 {
    font-size: 16px;
    margin-bottom: 20px;
}

.question {
    font-size: 22px;
    margin-bottom: 30px;
}

input {
    width: 30%;

    padding: 10px;
    font-size: 16px;

    margin-bottom: 1px;
    
    border: 1px solid #bbb;
    border-radius: 8px;
}

button {
    padding: 12px 25px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    background: #2f80ed;
    color: white;
    cursor: pointer;
    transition: .3s;
}

button:disabled {
    background: gray;
    cursor: not-allowed;
}

button:hover:not(:disabled) {
    background: #1767c7;
}

/* Страница завершения */
.download-circle {
    width: 220px;
    height: 220px;

    background: #8FBC8F;

    border-radius: 50%;

    display: flex;
    justify-content: center;
    align-items: center;

    text-align: center;

    text-decoration: none;
    color: black;

    box-shadow: 0 5px 15px rgba(0,0,0,.3);

    transition: .3s;
}


.download-circle div {
    display: flex;
    flex-direction: column;
    align-items: center;
}


.download-circle h1 {
    color: black;
    font-size: 14px;
    margin-bottom: 15px;
}


.download-circle p {
    color: black;
    font-size: 20px;
    font-weight: bold;
    margin: 0;
}

.download-circle:active {
    transform: scale(0.95);
}


/* эффект при наведении */
.download-circle:hover {

    transform: scale(1.05);

    background: #6da56d;

}