.caja { 
font-family: sans-serif; 
font-size: 45px; 
font-weight: 400; 
color: #49cb07; 
background:#080a07;
border-radius: 35px 0px 35px 0px;
-moz-border-radius: 35px 0px 35px 0px;
-webkit-border-radius: 35px 0px 35px 0px;
border: 15px solid #080a07; 
text-align: center;
font-family: Century Gothic,CenturyGothic,AppleGothic,sans-serif;
}