html, body {
    height: 100%;
}

body {
    margin: 0;
    padding: 0;
    background-image: url(http://www.veion.com.br/img/veion_back.jpg);
    background-size: cover;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif
}

.conteudo {
    width: 80%;
    min-width: 480px;
    margin: 0 auto;    
}



.flexbox-container {
    height: calc(100% - 70px);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: center;
    align-content: center;
    width: 80%;
    min-width: 400px;
    margin: 0 auto;     
    /*margin-top: 70px;*/
}

.flexbox-item {
    min-width: 300px;
    width: 40%;
    height: 260px;
    text-align: center;
    display: flex;
    align-items: center;
    align-content: center;     
}

.flexbox-children {    
    width: 100%;
    margin: 10px;
}

.flexbox-item-esq {
    background-color: rgba(241, 151, 30, 0.35);
    border-radius: 30px;
    box-shadow: 6px 6px 8px 0px rgba(0, 0, 0, 0.20);
    
}

.flexbox-item-dir {
    
}