style.css

body{
    background-color: #e8ebf5;
}

.heading{
    text-align: center;
	color: #343434;
	font-weight: bold;
	font-family: 'Ultra', sans-serif;   
	font-size: 36px;
	line-height: 22px;
	text-shadow: 0 2px white, 0 3px #777;
}

#my-canvas{
    margin-top: 50px;
    margin-bottom: 30px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 63%;
}

.button{
    width: 210px;
    padding-top: 14px;
    padding-bottom: 14px;
    text-align: center;
    text-transform: uppercase;
    margin-top: 20px;
    font-weight: 500;
    margin-left: 40px;
    margin-bottom: 20px;
    cursor: pointer;
    display: inline-block;
    border: 2px solid #3c73ff;
    background-color: #3c73ff;
    border-radius: 15px;
    color:black;
    transition: .3s;
}

.button:hover {
    box-shadow: 10px 10px #99bdff;
    transition: .3s;
  }