body {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
  }

  main {
    flex: 1 0 auto;
  }
.log-center {
    position: static;
    top: 10px;
}

.slider-down {
    position: relative;
    top:20px;
}

.hide-li {
    opacity: 0;
}

.text-justify {
    text-align: justify;
}

.border-line {
    border: 1px solid black;
}

.shadow-text-w {
    text-shadow: 5px 2px 5px rgb(250, 250, 250);
}

.shadow-text-b {
    text-shadow: 5px 2px 5px rgb(7, 7, 7);
}