body {
  height: 100%;
  background-color: black;
}

body {
    background-image: url("hacker.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    height: 100vh;
    width: 100vw;
}

#heading {
  letter-spacing: 2px;
  color: green;
  font-size: 70px;
  font-weight: bolder;
  text-shadow: 2px 2px 10px black;
  font-family:Verdana, Geneva, Tahoma, sans-serif;
}

.sidebox {
    /* background-color: rgba(0, 0, 0, 0.705);  */
    color: green;
    width: 30%;
    padding: 10px 20px;
    height: 88vh;
    overflow: hidden;
}

@media (max-width: 1000px) {
  .sidebox {
    width: 27%;
  }
}

.mainbox {
    /* background-color: rgba(0, 0, 0, 0.700); */
    width: 75%;
}

@media (max-width: 991px) {
  .mainbox {
    width: 100%;
  }
}

.ui-btn {
    --btn-default-bg: rgb(41, 41, 41);
    --btn-padding: 0px 35px;
    --btn-hover-bg: rgb(51, 51, 51);
    --btn-transition: .3s;
    --btn-letter-spacing: 0.07rem;
    --btn-animation-duration: 1.2s;
    --btn-shadow-color: rgba(0, 0, 0, 0.137);
    --btn-shadow: 0 2px 10px 0 var(--btn-shadow-color);
    --hover-btn-color: green;
    --default-btn-color: #fff;
    --font-size: 23px;
    --font-weight: 600;
    --font-family: Menlo,Roboto Mono,monospace;
  }
  
  .ui-btn {
    text-shadow: 2px 2px 15px black;
    box-sizing: border-box;
    padding: var(--btn-padding);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--default-btn-color);
    font: var(--font-weight) var(--font-size) var(--font-family);
    background: var(--btn-default-bg);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--btn-transition);
    overflow: hidden;
    box-shadow: var(--btn-shadow);
  }
  
  .ui-btn span {
    letter-spacing: var(--btn-letter-spacing);
    transition: var(--btn-transition);
    box-sizing: border-box;
    position: relative;
    background: inherit;
  }
  
  .ui-btn span::before {
    box-sizing: border-box;
    position: absolute;
    content: "";
    background: inherit;
  }
  
  .ui-btn:hover, .ui-btn:focus {
    background: var(--btn-hover-bg);
  }
  
  .ui-btn:hover span, .ui-btn:focus span {
    color: var(--hover-btn-color);
  }
  
  .ui-btn:hover span::before, .ui-btn:focus span::before {
    animation: chitchat linear both var(--btn-animation-duration);
  }
  
  @keyframes chitchat {
    0% {
      content: "#@";
    }
  
    10% {
      content: "^{2$";
    }
  
    20% {
      content: "#2$_<";
    }
  
    30% {
      content: "#{+.";
    }
  
    40% {
      content: "?4@%";
    }
  
    50% {
      content: "?2@^%";
    }
  
    60% {
      content: "?{%:%";
      right: 0;
    }
  
    70% {
      content: "{4%0%";
      right: 0;
    }
  
    80% {
      content: "{0%4(";
      right: 0;
    }
  
    90% {
      content: "!$%";
      right: 0;
    }

  
    100% {
      content: "";
      right: 0;
    }
  }

  .input {
    color: #fff;
    font-size: 1rem;
    background-color: transparent;
    width: 100%;
    font-weight: bolder;
    letter-spacing: 0.5px;
    box-sizing: border-box;
    padding-inline: 0.5em;
    padding-block: 0.7em;
    border: none;
    border-bottom: var(--border-height) solid var(--border-before-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
  
  .input-border {
    position: absolute;
    background: var(--border-after-color);
    width: 0%;
    height: 2px;
    bottom: 0;
    left: 0;
    transition: width 0.3s cubic-bezier(0.6, -0.28, 0.735, 0.045);
  }
  
  .input:focus {
    outline: none;
  }
  
  .input:focus + .input-border {
    width: 100%;
  }
  
  .form-controls {
    background-color: rgba(0, 0, 0, 0.815);
    width: 90%;
    border-radius: 5px;
    position: relative;
    --width-of-input: 300px;
  }
  
  .input-alt {
    font-size: 1.2rem;
    padding-inline: 1em;
    padding-block: 0.8em;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }
  
  .input-border-alt {
    height: 3px;
    background: linear-gradient(90deg, #FF6464 0%, #FFBF59 50%, #47C9FF 100%);
    transition: width 0.4s cubic-bezier(0.42, 0, 0.58, 1.00);
  }
  
  .input-alt:focus + .input-border-alt {
    width: 100%;
  }

  #speed {
    margin: -15px -10px 30px 0px;
    height: 0px;
    position: relative;
    color: green;
    font-weight: bolder;
    text-align: right;
  }

  .line {
    font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    font-size: 18px;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
    color: green;
  }

  #linebox {
    text-align: left;
    padding: 20px 20px;
    border-radius: 5px;
  }

  #mrqmsg {
    color: rgb(21, 128, 0);
    font-family:'Courier New', Courier, monospace;
    /* padding: 5px 10px; */
    font-size: 24px;
    letter-spacing: 1px;
    font-weight: 600;
    text-shadow: 2px 2px 10px rgb(1, 59, 1);
  }