style.css

.body { 
    /* The image used */
    background-image: url("https://s2.coinmarketcap.com/static/img/coins/32x32/1.png");  
    height: 300px;
    width: 350px;
    /* Center and scale the image nicely */
    background-position: center;
    background-repeat: repeat;
    background-size: cover;
}

.blinking{
    animation:blinkingText 2s infinite;
    font-weight: bold;
    font-family: "Verdana";
    font-size: 20px;
}

@keyframes blinkingText{
    0%{        color: #000;    }
    30%{    color: red;    }
    50%{    color: black;    }
    99%{    color: white;    }
    100%{    color: rgb(247, 3, 3);    }
}
.button {
    background-color: rgb(45, 175, 255);
    border-radius: 10px;
    border: none;
    color: white;
    padding: 5px 10px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 12px;
    margin: 4px 2px;
    cursor: pointer;
}