body { background-color: #1e90ff; }
h2 { border-bottom: 2px solid #1e90ff; }
.container {
color: #1e90ff;
background-color: #ffffff;
padding: 15px;
}
button {
background-color: #ffffff;
color: #1e90ff;
border: 1px solid #1e90ff;
padding: 5px;
}