/* div container with projects */
.container-projects {
    display: flex;
    flex-flow: row wrap;
    align-items: center;
    justify-content: space-evenly;
    column-gap: 2rem;
    margin: 2rem 0;
}

/* div container iframe element */
.black-frame {
    background-color: black;
    padding: 10px 10px 80px 10px;
    border-radius: 5px;
    position: relative;
}

/* A link as a button to open apps. */
.fullScreen,
.fullScreen:visited {
    display: block;
    font: 15px Verdana, sans-serif;
    text-align: center;
    text-decoration: none;
    padding: 4px 0 0 0; /* algin vertically the text*/
    background-color: black;
    color: white;
    width: 60px;
    height: 60px;
    border: 2px solid white;
    border-radius: 50%;
    position: absolute;
    bottom: 12px;
    left: 165px;
    z-index: 1;
    cursor: pointer;
}

/*  to remove common properties from links with target=_blank */
.fullScreen:hover {
    background-color: white;
    color: black;
    border: 2px solid white;
    box-shadow: none;
}

.boxMultipleShadows {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19); /* This value belongs to w3Schools | to create paper-like cards */
    -webkit-box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    -moz-box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

 @media screen and (min-width: 300px) and (max-width: 480px) {  
    /* Container: iframe and a link as a button to open apps. */
    .black-frame {
        padding: 0 0 80px 0;
    }

    .black-frame iframe {
        width: 300px;
        height: 200px;
    }

    .fullScreen {
        left: 125px
    }
 }