css for minishell

html {
                font-family: Iceland;
                color :aqua;
                background-color: #000;
            }

            textarea {
                border: 1px solid #fff;
                width: 90%;
                height: 400px;
                background:transparent;
                color: #fff;

                padding-left: 5px;
                margin:10px auto;

            }
            a {
                color: #ffffff;
                text-decoration: none;
            }
            a:hover {
                color: #B5AFAF;
                text-decoration: underline;
            }


            table,th,td {
                border-collapse: collapse;
                background-color: transparent;

            }
            .tb .th{
                border-bottom: 1px solid #444;
                border-top: 1px solid #444;
            }
            .tb {
                border-radius: 20px;
                border-left: 1px solid #444;
                border-right: 1px solid #444;
            }

            .td {
                border-bottom: 1px solid #444;
            }
            tr .th {
                background-color: #444;
            }
            .tr:hover {
                background-color: #444;
            }
            .tbhome {
                border: 1px solid #444;
                margin-bottom: 10px;
                padding: 10px;
            }
            .tbhome tr {
                padding: 10px;
            }
            .shadow {
  position: relative;
  width: 99%;
  height: 100%;
  background: linear-gradient(0deg,#000,#262626);
}
.shadow:before,
.shadow:after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  background: linear-gradient(45deg,#fb0094, #0000ff, #00ff00, #ffff00, #ff0000,#fb0094, #0000ff, #00ff00, #ffff00, #ff0000);
  background-size: 400%;
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  z-index: -1;
  animation: animate 15s linear infinite;
}
.shadow:after {
  filter: blur(20px)
}
@keyframes animate {
  0% {
    background-position: 0 0;
  }
  50% {
    background-position: 300% 0;
  }
  100% {
    background-position: 0 0;
  }
}