@import url(https://fonts.googleapis.com/css?family=Cairo:300);
* {
    margin: 0;
    padding: 0;
  }
   
  body {
    font-family: 'Cairo', monospace; 
    font-weight: 300;
  }
   
  form {
      font-family: 'Cairo', monospace;
    padding: 15px 25px;
    display: flex;
    gap: 10px;
    justify-content: center;
  }
   
  form label {
      font-family: 'Cairo', monospace;
    font-size: 1.5rem;
    font-weight: bold;
  }
   
  input {
    font-family: 'Cairo', monospace;
  }
   
  a {
      font-family: 'Cairo', monospace;
    color: #fff;
    text-decoration: none;
  }
   
  a:hover {
      font-family: 'Cairo', monospace;
    text-decoration: underline;
  }
   
  #wrapper,
  #loginform {
      font-family: 'Cairo', monospace;
      color: #59CF00;
    margin: 0 auto;
    padding-bottom: 25px;
    background: #000;
    width: 600px;
    max-width: 100%;
    color:white;
   
  }
   
  #loginform {
      font-family: 'Cairo', monospace;
    padding-top: 18px;
    text-align: center;
  }
   
  #loginform p {
      font-family: 'Cairo', monospace;
    padding: 15px 25px;
    font-size: 1.4rem;
    font-weight: bold;
  }
   
  #chatbox {
      top: 100px;
      font-family: 'Cairo', monospace;
    text-align: left;
    margin: 0 auto;
    margin-bottom: 1px;
    padding: 10px;
    background: #000;
    height: 473px;
    width: 530px;
    border: 1px solid #000;
    overflow: auto;
    border-radius: 4px;
    border-bottom: 4px solid #000;
  }
   
  #usermsg {
      font-family: 'Cairo', monospace;
    flex: 1;
    border-radius: 4px;
    border: 1px solid #ff9800;
  }
   
  #name {
      font-family: 'Cairo', monospace;
    border-radius: 4px;
    border: 1px solid #fff;
    padding: 2px 8px;
  }
   
  #submitmsg,
  #enter{
      font-family: 'Cairo', monospace;
    background: #ff9800;
    border: 2px solid #e65100;
    color: white;
    padding: 4px 10px;
    font-weight: bold;
    border-radius: 4px;
  }
   
  .error {
      font-family: 'Cairo', monospace;
    color: #ff0000;
  }
   
  #menu {
      font-family: 'Cairo', monospace;
    padding: 15px 25px;
    display: flex;
  }
   
  #menu p.welcome {
      font-family: 'Cairo', monospace;
    flex: 1;
  }
   
  a#exit {
      font-family: 'Cairo', monospace;
    color: white;
    background: #c62828;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: bold;
  }
  ####.tejas
  {
  overflow: auto;
  white-space: nowrap;
  }
  ##.tejas a {
  display: inline-block;
  text-align: center;
  padding: 14px;
  text-decoration: none;
  }
   
  .msgln {
      font-family: 'Cairo', monospace;
      color: #13b310;
    margin: 0 0 5px 0;
  }
   
  .msgln span.left-info {
      font-family: 'Cairo', monospace;
    color: orangered;
  }
   
   
  .msgln b.user-name, .msgln b.user-name-left {
      font-family: 'Cairo', monospace;
    font-weight: bold;
    background: #fff;
    color: #13b310;
    padding: 2px 4px;
    font-size: 90%;
    border-radius: 4px;
    margin: 0 5px 0 0;
  }
   
  .msgln b.user-name-left {
      font-family: 'Cairo', monospace;
    background: orangered;
  }
 .neon {
  text-align: center;
  color: #fff;
  text-shadow:
    0 0 5px #fff,
    0 0 10px #fff,
    0 0 20px #fff,
    0 0 40px #0ff,
    0 0 80px #0ff,
    0 0 90px #0ff,
    0 0 100px #0ff,
    0 0 150px #0ff;
}
html,
body {
    font-family: 'Cairo', monospace;
    background: #000;
    
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.name {
    font-family: 'Cairo', monospace;
    width: 220px;
    height: 50px;
    border: none;
    outline: none;
    color: #00FF00;
    background: #111;
    cursor: pointer;
    position: relative;
    z-index: 0;
    border-radius: 10px;
     opacity: 10;
}

.name:before {
    font-family: 'Cairo', monospace;
    content: '';
    background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
    position: absolute;
    top: -2px;
    left:-2px;
    background-size: 400%;
    z-index: -1;
    filter: blur(5px);
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    animation: glowing 20s linear infinite;
    opacity: 0;
    transition: opacity .3s ease-in-out;
    border-radius: 10px;
}

.name:active {
    font-family: 'Cairo', monospace;
    color: #000
}

.name:active:after {
    font-family: 'Cairo', monospace;
    background: transparent;
}

.name:hover:before {
    font-family: 'Cairo', monospace;
    opacity: 10;
}

.name:after {
    font-family: 'Cairo', monospace;
    z-index: -1;
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: #111;
    left: 0;
    top: 0;
    border-radius: 10px;
}
.container {
  width: 400px;
  height: 400px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  justify-content: center;
  align-items: center;
}

.center {
  width: 180px;
  height: 60px;
  position: absolute;
}

.btn {
  width: 180px;
  height: 60px;
  cursor: pointer;
  background: transparent;
  border: 1px solid #91C9FF;
  outline: none;
  transition: 1s ease-in-out;
}

svg {
  position: absolute;
  left: 0;
  top: 0;
  fill: none;
  stroke: #fff;
  stroke-dasharray: 150 480;
  stroke-dashoffset: 150;
  transition: 1s ease-in-out;
}

.btn:hover {
  transition: 1s ease-in-out;
  background: #4F95DA;
}

.btn:hover svg {
  stroke-dashoffset: -480;
}

.btn span {
  color: white;
  font-size: 18px;
  font-weight: 100;
}

@keyframes glowing {
    0% { background-position: 0 0; }
    50% { background-position: 400% 0; }
    100% { background-position: 0 0; }
}

<div class="open_grepper_editor" title="Edit & Save To Grepper"></div>