form {      
background-image: url("../img/fondoimg2.jpg");
background-size:cover;
padding:20px;
width:80%;
margin:auto;
border-radius:10px;
box-shadow: 4px 2px 5px #23282b;
color:white;

        }

        label { display:block; margin-top:10px; }
        
          input, select {

                        width:90%;
            padding:8px;
            margin-top:5px;
box-shadow: 4px 2px 5px #23282b;
        }
        button {
            margin-top:15px;
            padding:10px;
            width:40%;
            background:#2c7be5;
            color:#fff;
            border:none;
            cursor:pointer;
        }

.cajitas{
width:auto;
margin:20px;
padding:20px;
border-radius:10px;
box-shadow: 4px 2px 5px #23282b;
background-color: rgb(25,45,99);

display:flex;
flex-wrap:wrap;
}

.membrete{
margin:5px;
padding:20px;
color:black;
}

.acerca{
line-height:1.5;
padding:20px;
margin:0px;
background-color:white;
border-radius:10px;
box-shadow: 4px 2px 5px #23282b;
}

main{
width:80%
height:auto;
display:flex;
flex-wrap:wrap;
}

.caja1{
width:50%;
height:auto;
}

.caja2{
width:50%;
height:auto;
}