.panel-default {
    border-color: #ddd;
}
.panel {
    margin-bottom: 20px;
    background-color: #fff;
    /*border: 1px solid transparent;*/
    border-radius: 4px;
    -webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, .05);
    box-shadow: 0 1px 1px rgba(0, 0, 0, .05);
}
.panel-heading {
    padding: 10px 15px;
    border-bottom: 1px solid transparent;
    border-top-left-radius: 3px;
    border-top-right-radius: 3px;
}
.form-control {
    display: block;
    width: 100%;
    height: 34px;
    padding: 6px 12px;
    font-size: 14px;
    line-height: 1.42857143;
    color: #555;
    background-color: #fff;
    background-image: none;
    border: 1px solid #ccc;
    border-radius: 4px;
    -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
    -webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
    -o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
    transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
}
.form-control:focus {
  border-color: #66afe9;
  outline: 0;
  -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(102, 175, 233, .6);
          box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(102, 175, 233, .6);
}
.text-right {
    text-align: right;
}
td {
    padding: 0px;
}
html, body {
    height: 100%;
}
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
main {
    flex: 1; /* Ocupa el espacio restante entre header y footer */
}
footer {
    font-size: 16px;
    padding-left: 5%;
    background-color: #f1f1f1;
    height: 25px;
}
.border-top {
    border-top-width: 1px;
    border-top-style: solid;
    border-top-color: #dee2e6;
}
.h-100 {
    height: 100%;
}
.invalid-feedback {
    color: #dc3545;
    font-size: .875em;
    text-align: left;
}