@charset "uft-8";
/* CSS Document */

h1{
  color: Yellow;
}
#caja{color:blue}
.card{color:red}

.muestra{
  height:300px;
  width:400px; 
  border: 5px solid #C00;
  margin: 20px;
  padding: 20px;
  }

.anterior, .posterior{
  height: 100px;
  width: 200px;
  border: 2px solid #30F;
  padding: 5px
  }
body{
  background-image: url(../img/16.jpg);
  }
  .modA{
  background-image: url(../img/17.jpg);
    }
  .modB{
  background-image: url(../img/17.jpg);
  background-clip: content-box;
    }
  .modC{
    background-image: url(../img/17.jpg);
    background-size: 100% 100%;
    }
  .modD{
       background-image: url(../img/17.jpg);
       background-repeat: no repeat;
       background-size: 100% 100%;
       background-origin: content-box;
    }