@import url(//fonts.googleapis.com/css?family=Open+Sans);

html{
    min-height:100%;/* make sure it is at least as tall as the viewport */
    position:relative;
}

body {
    font-family: 'Open Sans', sans-serif;
    /* background-color: #746767; */
    background-image: url("/four-ops3/assets/img/bg.jpg");
    background-repeat: no-repeat;
    background-position: 50%;
    background-size: cover;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    height:100%;
    z-index: -5;
}

#flash {
    position: fixed;
    top: 0;
    height:100%;
    width: 100%;
    margin: 0;
    padding: 0;
    background-color: none;
}

.center {
    text-align: center;
}

#feedback {
    width: 100%;
    padding:0.3rem;
    border-radius:6rem;
    font-size: larger;
    text-align: center;
    font-weight: bold;
}

.fb-default {
    background-color: #ddd;
    color: rgb(47, 101, 130);
}

.fb-correct {
    background-color: rgb(1, 146, 146);
    color: white;
}

.fb-wrong {
    background-color: rgb(162, 2, 53);
    color: white;
}

.grid {
    width: 80%;
    max-width: 600px;
    margin: 0 auto;
    margin-top: 24px;
    background-color: #ddd;
    border: 1px solid rgb(47, 101, 130);
    padding: 12px;
    border-radius: 1rem;
}

.grid h1 {
    font-size: 40px;
    text-align: center;
    color: rgb(47, 101, 130);
    padding: 0;
    
}

#score {
    color: teal;
    text-align: center;
    font-size: 30px;
    padding-top: 24pt;
}

.grid #question {
    font-size: 40px;
    color: #333;
    text-align: center;
    font-weight: bold;
}

.buttons {
    margin-top: 12px;
    text-align: center;
}

#btn0, #btn1, #btn2, #btn3, #btn-play-again {
    background-color: rgb(2, 119, 191);
    width: 45%;
    font-size: 20px;
    color: #fff;
    border: 1px solid rgb(2, 39, 59);
    margin: 10px 10px 10px 0px;
    padding: 10px 10px;
    border-radius: 0.5rem;
}

#btn1 {
    background-color: rgb(189, 3, 3);
    border: 1px solid rgb(85, 30, 41);
}

#btn2 {
    background-color: rgb(145, 2, 192);
    border: 1px solid rgb(97, 3, 95);
}

#btn3 {
    background-color: rgb(1, 140, 131);
    border: 1px solid rgb(0, 49, 43);
}

#btn0:hover, #btn1:hover, #btn2:hover, #btn3:hover, #btn-play-again:hover {
    cursor: pointer;
    background-color: white;
    color:#333;
}

#progress {
    color: #2b2b2b;
    font-size: 18px;
    display: flex;
    justify-content: space-between;
}

.fineprint, .fineprint a {
    font-size: small;
    color:rgb(47, 101, 130);
    text-decoration: none;
}