box.css

a.callout-button {
    text-decoration: none;
    color: white;
    background-color: #2196f3;
    padding: 5px 15px;
    display: block;
    font-family: fugaz one;
    width: 210px;
    border-radius: 7px;
    margin: 0 auto 15px;
    box-shadow: -3px -3px 0 rgb(13, 71, 161) inset;
}

.center-ctoa {
    text-align: center;
}

.head-screenshots img {
    width: 23%;
    height: 195px;
    display: inline-block;
    box-shadow: 0 0 5px rgb(0, 120, 194);
    margin-right: 5px;
}

.head-screenshots p {
    display: inline;
}