.form-control{
    color: #1f2022;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #9a9a9d;
    border-radius: .35rem;
    border-top-left-radius: 0.35rem;
    border-bottom-left-radius: 0.35rem;
}
.form-control:focus {
    color: #1f2022;
    background-color: #fff;
    border-color: #bac8f3;
    outline: 0;
    box-shadow: 0 0 0 .2rem rgba(78,115,223,.25);
}
.input-group-text {
    display: flex;
    align-items: center;
    padding: .375rem .75rem;
    margin-bottom: 0;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    text-align: center;
    white-space: nowrap;
    border: 1px solid;
    border-radius: .35rem;
}
.input-group > span {
    
    border-right: none;
	border-color: black;
	border-width: 1px;
}
.botones-ppal{
font: size 18px;
}
#divppal{
    min-height: 170px;
}