body{
    background-color: rgb(248, 245, 242);
}

header{
    
    margin: 2vh auto;
}

header, footer,  nav{
    background-color: white;
    min-height: 10vh;
}

main{
    background-color: whitesmoke;
    min-height: 70vh;
}

.img_tamanho{
    width: 250px;
    height: 250px;
}


/*// Small devices (landscape phones, 576px and up)*/
@media (min-width: 576px) { 
    
 }

/*// Medium devices (tablets, 768px and up)*/
@media (min-width: 768px) { 
   
 }

/*// Large devices (desktops, 992px and up)*/
@media (min-width: 992px) { 
    
}
/*// Extra large devices (large desktops, 1200px and up)*/
@media (min-width: 1200px) { 

 }