body{
    background-color: black;
    height: 100vh;
    
}

.tarjeta button b {
    color: #03a9f4;
    
}


.background{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    z-index: -2;

}


.categorias{
   width: 100%;
   display: grid;
   grid-template-columns: 1fr 1fr;
   grid-template-rows: repeat(2, 1fr);
   grid-column-gap: 3vh;
   grid-row-gap: 3vh;
   align-items: center;
   
   padding: 21vh 0 21vh;
   

}

.tarjeta{
    transition: 0.5s;
    border: 7px;
    border-color: rgba(231, 234, 237, 0.703);
    border-radius: 5px;
    align-items: center;
    justify-content: center;
    text-align: center;
    
    margin: 15px;
    
}

.tarjeta button {
    background: rgba(0, 0, 0, 0.5);
    border-color: rgb(2, 166, 242);
    border-radius: 15px;
    width: 24vh;
    height: 24vh;
   
    box-shadow: 0 5px 10px #03a9f4;
    

}

.tarjeta button:hover {
    transform: scale(1.3) translateY(-5px);
    
    color: rgba(2, 166, 242, 0.799);
    transition: .5s;
}

.tarjeta a {
    color: rgba(231, 234, 237, 0.375);
    transition: 1s;
   
    font-size: 13vh;
}

.tarjeta h3 {
    color: rgba(231, 234, 237, 0.895);
}

@media(min-width: 920px){
    .categorias{
        display: flex;
        height: 60vh;
        justify-content: space-evenly;
        padding-top: 50vh;

    }
    .social{
        margin-bottom: 15px;
    }
    .tarjeta button{
        width: 200px;
        
        
    }
}

@media(max-width: 460px){
    .categorias {
        display: flex;
        flex-direction: column;
    }
}