html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
    margin-bottom: 60px;
    background-image: linear-gradient(rgba(231,231,231,0.9)), /* capa semitransparente */
    url("../imgs/fondo.png");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    position: relative;
    min-height: 100vh;
    display: flex;
    justify-content: center; /* Centrar horizontal */
    align-items: center; /* Centrar vertical */
    height: 100vh; /* Alto pantalla */
    margin: 0;
    padding: 0;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 5px;
    z-index: 99;
}

.table1 {
    position: fixed;
    top: 55px;
    left: 23px;
    width: 100%;
    padding: 10px 10px;
}