body{
background-color: #333399;
color: #ffffff;
}
.a{
text-align: center; font-size:5em;
}
.b{
text-align: center; font-size:4.5em;
}

.maru{
border: 1px solid #ffffff; border-radius: 50%; width: 15em; height: 5em;
 text-align: center; background: #333399; color: #ffffff;
padding-top: 1em; font-size:18px; line-height:5px;
position: relative;left:37em;
transform: rotate(-3deg);
margin-top:-4em;
}

.c{
font-size:25px;
}

.d{
font-size:25px;
 line-height:5px;
}
.e{
font-size:25px;
 line-height:2em;
}
.f{
font-size:4.5em;
line-height:5px;
}