.caja{
    border: 2px solid white;
    padding: .5em;
    box-sizing: border-box;
}
.box{
    width: 150px;
    height: 150px;
}

.box img{
    width: 100%;
    height: auto;
}
@supports(object-fit: cover){
    .box img{
        height: 100%;
        object-fit: cover;
        object-position: center center;
    }
}

.cursiva{
@import url('https://fonts.googleapis.com/css2?family=Smooch&display=swap');
    font-family: 'Smooch', cursive;
    color: #5dc9cb;
    font-size: 48px;
    font-style: italic;
}

.padding-cube{
    padding-top: 300px;
    padding-bottom: 300px
}