body {background-color: #e9ecef;}

.conteudo-branco {
background-color: #ffffff;
padding: 5px;
border-radius: 8px;
box-shadow: 0 0 10px rgba(0,0,0,0.05);
margin: 10px;
height:100%;
}

.conteudo-branco h1{
font-size: 20px;
}

.conteudo-branco strong{
color: #ed5353;
font-size: 20px;
}

.conteudo-branco h2{
color: #00ff00;
font-size: 20px;
}

.tab1, .tab2, .tab3, .tab4, .tab5 {
background:#ed5353;
width: 200px;
height:300px;
float:left;
}