.texto {
  background: -webkit-linear-gradient(yellow,red);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: tomato;  
}
.box-blue {
margin:0 0 25px;
overflow:hidden;
padding:20px;
background-color:#6BD5F1;
border:1px solid #afcde3;
-webkit-border-radius: 20px;
border-radius: 20px;
}