.web_title{
	font-size: 70px;
	color: black;
}

h2{
	color:black;
}

pre{
    margin: 1rem -1rem;
    padding: 1rem;
    margin-right: 0;
    margin-left: 0;
    background-color: #f7f7f9;
}

img{
	width:100%;
}

h3.talk_notes{
	font-size: 16px;
}

button.btn{
	background-color: white;
	border-color: black;
}