#pagar {
    width: 100%;
}

#resumen {
    text-align: center;
    width: 90%;
    border: 1px solid #838383;
    border-radius: 5px;
    margin-left: auto;
    margin-right: auto;
    margin: 20px;
    padding: 30px;
}

#check {
    margin: 5px;
}

.button {
    background: rgba(20,51,94,0.9);
}

#titulo {
    width: 80%;
    border-bottom: 1px solid #838383;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 20px;
}