body {
    font-family: "Roboto", Helvetica, Roboto, Arial, sans-serif;
}

.button-container {
    position: absolute;
    z-index: 100;
    margin-left: 50%;
    left: -100px;
    top: 20px;
}

.button {
    display: inline-block;
    padding: 15px 22px;
    font-size: 18px;
    font-weight: bold;
    background: #5E70FF;
    box-shadow: 0 4px 4px rgba(0, 0, 0, 0.25);
    border-radius: 5px;
    cursor: pointer;
    color: #fff;
}

.button:hover {
    background-color: #8E9BFF;
}

.thumb-wrapper {
    position: absolute;
    z-index: 100;
    width: 100%;
    bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.thumb {
    display: inline-block;
    margin-right: 5px;
    width: 130px;
    height: 100px;
    border: 3px solid #9E9E9E;
    border-radius: 5px;
    cursor: pointer;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

.thumb.selected,
.thumb:hover {
    border: 3px solid #5E70FF;
    cursor: pointer;
}

@media only screen and (max-width: 1024px) {

    .thumb {
        width: 50px;
        height: 40px;
        border: 2px solid #9E9E9E;
        border-radius: 5px;
    }

    .thumb-wrapper {
        width: 90%;
        margin-left: 5%;
    }
}