body{
font-family:sans-serif;
text-align:center;
background:#f4f6fb;
}

.virus-scene{
width:600px;
margin:auto;
}

svg{
width:100%;
}

.cell{
fill:#fff;
stroke:#9ac4a6;
stroke-width:6;
}

.slam{
fill:#a4cfc7;
}

.virus-body{
fill:#dfe6f2;
stroke:#8fa6c7;
  stroke-width:6;
}

.Hstem{
fill:#5b6fa3;
}

.Hhead{
fill:#5b6fa3;
}

.Fstem{
  fill:#e07a7a;
}

.Fhead{
  fill:#e07a7a;
}

button{
margin-top:10px;
padding:6px 16px;
}