body {
text-align: center;
}

.button {
background-color: #b8b2b2; /* Grey */
border: .5px solid #000000; /* Black */
color: black;
padding: 5px 10px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
border-radius: 12px;
}

#questions.button {
float:left;
}

#questions {
text-align: left;
}

.links line {
stroke: #000;
stroke-opacity: 1.0;
}

.nodes circle {
stroke: #000;
stroke-width: 1.5 px;
}

svg {
border: 0px solid black;
}

g.am-axis text {
font-size: 18px;
}

.domain {
fill: none;
}

.tick > line {
stroke: black;
stroke-width: 1px;
stroke-opacity: 0.25;
}