body {
    background-image: url('../images/background-color-image.jpg');
}
h1,
h2 {
    color: #000; /* mesma cor do título das etapas do funil */
}
@media only screen and (max-width: 600px) {
    h1,
    h2 {
        font-size: 28px !important;
        line-height: 21px;
    }
}
@media only screen and (max-width: 450px) {
    h1,
    h2 {
        font-size: 26px !important;
        line-height: 20px;
    }
}
/* ================= */
/*      DESKTOP      */
/* ================= */
@media only screen and (min-width: 602px) {
    #upwrapper {
        padding-top: 41px;
    }
    #wrapper {
        max-width: 700px;
        margin: 0 auto;
    }
    .col-sm-3 a {
        background-color: #481802;
        display: block;
        text-align: center;
        border-radius: 10px;
        margin-bottom: 15px;
        overflow: hidden;
        min-height: 130px;
    }
}
/* ================= */
/*      MOBILE       */
/* ================= */
@media only screen and (max-width: 600px) {
    h1,
    h2 {
        font-size: 30px;
    }
    #upwrapper {
        max-width: 960px;
        height: 637px;
        margin: 0 auto;
        padding-top: 41px;
        background-repeat: no-repeat;
    }
    #wrapper {
        max-width: 700px;
        margin: 0 auto;
    }
    .col-sm-3 a {
        background-color: #481802;
        display: block;
        text-align: center;
        border-radius: 10px;
        margin-bottom: 15px;
        overflow: hidden;
        min-height: 130px;
    }
    body {
        background-image: url('../images/fundo-papyrus.jpg') !important;
      }
}

/* Ícones dos signos: encolhem junto com a coluna em vez de serem cortados (janelas entre 600 e 767px) */
.col-sm-3 a img {
    max-width: 100%;
    height: auto;
}