body {
    font-size: 1.1rem;
    font-family: 'Segoe UI';
    background-color: rgb(219, 216, 216);
    margin-left: 40px;
    margin-right: 40px;
}

header {
    background-color: darkseagreen;
    border : 3px solid rgb(13, 82, 30);
    color: white;
    font-size: 20px;
    margin-top: 30px;
    text-align: center;
}

h1 {
    margin-top: 15px;
    margin-bottom: 15px;
}

p {
    margin-top: 10px;
    margin-bottom: 10px;
}

hr {
    height: 5px;
    border-width: 0;
    color: rgb(10, 78, 27);
    background-color: rgb(8, 80, 26);
}

.question {
    text-align: center;
}

button{
    background: #bbbebf;
    background-image: -webkit-linear-gradient(top, #bbbebf, #8a8a8c);
    background-image: -moz-linear-gradient(top, #bbbebf, #8a8a8c);
    background-image: -ms-linear-gradient(top, #bbbebf, #8a8a8c);
    background-image: -o-linear-gradient(top, #bbbebf, #8a8a8c);
    background-image: linear-gradient(to bottom, #bbbebf, #8a8a8c);
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
    font-family: Arial;
    font-weight: bold;
    color: #fdfbfb;
    font-size: 15px;
    padding: 10px;
    text-decoration: none;
    margin-top: 15px; 
}

button:hover{
    background: #919596;
    background-image: -webkit-linear-gradient(top, #919596, #5f6061);
    background-image: -moz-linear-gradient(top, #919596, #5f6061);
    background-image: -ms-linear-gradient(top, #919596, #5f6061);
    background-image: -o-linear-gradient(top, #919596, #5f6061);
    background-image: linear-gradient(to bottom, #919596, #5f6061);
    text-decoration: none; 
}

.questions {
    margin-bottom: 20px;
}

.feedback {
    margin-top: 10px;
    margin-bottom: 30px;
    color: steelblue;
    font-weight: bold;
}

.instructions {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
}

.citation {
    text-align: right;
    font-size: small;
}

footer {
    background-color: darkseagreen;
    padding: 10px 25px;
    border: 1px solid rgb(13, 82, 30);
    color: white;
    margin-top: 50px;
    text-align: center;
}