.contenedor {
    margin: 5px auto;
    padding-top: 140px;
    padding-bottom: 15px;    
    border-radius: 30px;
}

.uia-imagen {
    background: url(../img/uai.jpg);
    opacity: 75%;
    background-repeat: no-repeat;
    background-size: cover;
    margin-top: 100px;
    margin-bottom: 25px;
    border-radius: 25px;

}

.uai-txt {
    background-color: rgb(0 0 0 / 0.5);
    margin: 25px auto;
    padding: 30px ;
    width: 75%;
    font-size: 26px;
    text-align: justify;
    line-height: 35px;
    color: #ffffff;
    font-weight: bold;
}

.uai-txt a {
    color: rgb(139, 147, 214);
    margin-left: 30%;
}