html, body{
    height: 100%;
}

body{
    display: flex;            
    
}

#portada{
    background-image: url(../img/portada.jpg);
    width: 851px;
    height: 315px;    
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    cursor: pointer;
    align-self: center;
    margin: auto;
    margin-top: 50px;
}

#hashtags{
    color: rgba(31,117,189);
    font-size: large;
    text-align: center;
    width: 100%;
    display: inline-block;
    position: absolute;
    bottom: 50px;        
}

#hashtags>span{
    color: dimgray;
    font-family: 'Helvetica Neue Bold';
    font-size: 25px;
}

@media screen and (max-width:768px){
    #portada{
        margin-top: 0px;
    }
    
    #hashtags{        
        font-size: small;
        bottom: 75px;
    }
    
    #hashtags>span{
        font-size: 15px;
    }
    
}