@import url(https://fonts.googleapis.com/css?family=Open+Sans:700);

html {
    overflow-x: hidden;
}

.img-container {
    max-width: 600px;
}

img {
    width: 100%;
}

.mobile-apps {
    display: flex;
    flex-direction: row;
    justify-items: space-evenly;
    margin: 0 auto;
    max-width: 400px;
    max-height: 700px;
}

.th {
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
}

.dt-img {
    display: flex;
    max-width: 800px;
    margin: 0 auto;
}

button {
    background: #055388;
    text-align: center;
}

.btn-back {
    position: relative;

    margin-top: 10px;
    margin-bottom: 25px;

    background: paleturquoise;
    border: 2px solid lightgreen;
    padding: 20px;

    font-size: 0.9em;
    color: #000;
    box-shadow: 4px 4px 0px 0px plum;
    font-family: 'Open Sans', sans-serif;
    font-weight: 700;
    letter-spacing: 5px;
    text-transform: uppercase;
    transition: all 300ms ease-in-out;
    left: 0;
    top: 0;
}

.btn-back:hover {
    left: 4px;
    top: 4px;
    box-shadow: 0 0 0 0 white;
}

@media screen and (max-width: 900px) {
    .th {
        display: flex;
        flex-direction: column;
    }
}