*{
    padding: 0;
    margin:0;
    box-sizing: border-box;
}
body{
    font-family: Arial, Helvetica, sans-serif;
min-height: 100vh;
    display: flex;
    flex-direction: column;
}   
header{
    flex: 0 0 60px;
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}
main{
    flex: 1;
    flex-basis: calc(100vh - 120px)
}
footer{
    flex: 0 0 60px;
    background-color: #505050;
    color: #fff;
    padding: 20px;
    text-align: center;
}



.nosotros{
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    padding: 20px;
}
.staff{
    width: 100%; 
    flex: 0 0 300px; 
    background-color: #f4f4f4;
    margin: 10px; 
    border-radius: 5px; 
    text-align: center; 
    display: flex; 
    justify-content: space-around;
}

.persona {
    flex: 0 0 25%; 
    display: flex;
    flex-direction: column; 
    align-items:center; 
    justify-content: center; 

    border:solid 1px black; 
    border-radius: 5px; 

}
.foto{
    
}