body {
    background: url(http://onename-blog.s3.amazonaws.com/2015/Jun/evolution_of_the_internet_from_decentralized_to_centralized-1435258457348.jpg)
    center center fixed;
}


/* Nav bar */
ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid #e7e7e7;
    background-color:#f3f3f3 ;
}

li {
    float: left;
}

li a {
    display: block;
    color: #666;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover:not(.active) {
    background-color: #ddd;

}

/* Button */
#button1 {
    height: 80px;
    width: 250px;
    font-size: 40px;
    font-weight: bold;
    margin-left: 40%;
}

/* Table */

#style {
    background-color:gray;
    width: 50%;
    margin: 0 auto;
    border: 2px solid black;
    display: none;
}

th1, th2, th3 {
    font-size: 50px;
}

th1, th2 {
    padding-left: 5%;
}

th3 {
    padding-left: 20%;
}
.price {
    padding-left: 20%;
    font-weight: bold;
}

.chart {
    padding-left: 60%;

}

#btcContainer, #ltcContainer, #xrpContainer {
    padding-left: 30%;
    font-weight: bold;
}