body{
    background-color: #7bface;
}

section{
    background-color: white;
    width: 510px;
    height: 750px;
    margin: auto;
}
article{
   
    float: left;
    margin:0px 10px;
}

.b{
    
    background-image: url(../imagenes/square.png);
    background-size: 222px 222px;
    width: 222px;
    height: 222px;
}

.b #d{
    position: relative;
    top: 8px;
    left: 5px;
}

.b #e{
    position:relative;
    top: -15px;
    left: 90px;
}

.b #f{
    position: relative;
    top: 20px;
    left: 30px;
}

.b #g{
    position: relative;
    top: 25px;
}

.b #h{
    position: relative;
    top: 20px;
    left: 30px;
}

.b #i{
    position: relative;
    top: 15px;
    
}

.b #j{
    position: relative;
    left: 30px;
    
}
.b #k{
    position: relative;
    top: 130px;
    right: 120px;
}
.b #l {
    position: relative;
    top: -4px;
    left: 88px;
}

#v{
    background-image: url(../imagenes/square.png);
    margin-left: 90px;
    width: 325px;
    height: 227px;
}

#m{
    position: relative;
    left: 10px;
    top: 20px;
}

#n{
    position: relative;
    top: 8px;
    left: 20px;
}
#o{
    position: relative;
    left: 50px;
    top: 10px;
    
}
#p{
    position: relative;
    top: 8px;
    left: 50px;
}

#q{
    position: relative;
    left: 324px;
    top: 10px;
}