style.css

textarea, .in {
  caret-color: #212529;
}

html { 
  overflow-y: scroll;
  overflow: scroll;
  overflow-x: hidden;
}

::-webkit-scrollbar {
  width: 0;
  background: transparent;
}

body {
  margin: 0;
  width: auto;
  height: auto;
  background: transparent;
  align-items: center;
  text-align: center;
  justify-content: center;
  place-items: center;
  overflow: hidden;
  font-weight: bold;
  font-size: 13px;
  position: absolute;
  font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;                 
}

.container {
  width: auto;
  height: auto;
  border-radius: 20px;
  padding: 40px;
  box-sizing: border-box;
  background: transparent;
}

.error {
  max-width: 400px;
  height: auto;
  padding: 50px;
  background: white;
  border-radius: 20px;
  box-sizing: border-box;
  margin: 10% auto auto auto;
  box-shadow: -6px -6px 25px rgba(218, 218, 218, 0.7),
              -6px -6px 25px rgba(255, 255, 255, .5),
              6px 6px 25px rgba(255, 255, 255, .075),
              6px 6px 25px rgba(32, 32, 32, 0.121);
}

.errortext {
  margin-bottom: 10px;
  font-size: xx-large;
  color: #4B505E !important;
}

.brute {
  max-width: 400px;
  height: auto;
  margin-left: 50%;
  margin-top: 8%;
  transform: translateX(-50%);
}

textarea, .in {
  text-align: left;
  margin-bottom: 20px;
  margin-top: 7px;
  resize: none;
}

#advanced-label {
  cursor: pointer;
  margin-bottom: 10px;
}

.advanced {
  display: flex;
  flex-flow: row wrap;
  margin-bottom: 25px;
}

.advanced .labeled-input {
  display: flex;
  flex-flow: row-reverse nowrap;
  justify-content: flex-end;
}

.advanced .labeled-input label {
  width: auto;
  margin-right: 20px;
  white-space: nowrap;
  cursor: pointer;
}

.advanced .labeled-input input {
  width: auto;
  margin-right: 5px;
}

textarea, label, input, button {
  width: 100%;
  padding: 0;
  border: none;
  outline: none;
  box-sizing: border-box;
}

label {
  color: #212529;
  margin-bottom: 0px;
}

label:nth-of-type(2) {
  margin-top: 12px;
}

.in::placeholder {
  color: rgb(182, 182, 182);
  font-size: 15px;
}

textarea, .in {
    border: 1px;
    border-radius: 15px;
    background: #F2F3F7;
    font-size: 15px;
    color: #555;
    padding: 10px;
    text-align: center;
}

button {
  padding: 12px 20px 12px 20px;
  margin-top: 5px;
  background: #418CFD;
  width: auto;
  border: none;
  border-radius: 15px;
  color: rgb(245, 245, 245);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1rem;
  text-align: center;
  outline: none;
  cursor: pointer;
  transition: .2s ease-in-out;
  box-shadow: -6px -6px 14px rgba(218, 218, 218, 0.7),
              -6px -6px 10px rgba(255, 255, 255, .5),
              6px 6px 8px rgba(255, 255, 255, .075),
              6px 6px 10px rgba(0, 0, 0, 0.121);
}
button:hover {
  box-shadow: -2px -2px 6px rgba(255, 255, 255, .6),
              -2px -2px 4px rgba(255, 255, 255, .4),
              2px 2px 2px rgba(255, 255, 255, .05),
              2px 2px 4px rgba(0, 0, 0, .1);
}
button:active {
  box-shadow: inset -2px -2px 6px rgba(255, 255, 255, .7),
              inset -2px -2px 4px rgba(255, 255, 255, .5),
              inset 2px 2px 2px rgba(255, 255, 255, .075),
              inset 2px 2px 4px rgba(0, 0, 0, .15);
}

a {
  position: absolute;
  font-size: 8px;
  bottom: 4px;
  right: 4px;
  text-decoration: none;
  color: black;
  background: #0175FF;
  border-radius: 10px;
  padding: 2px;
}

h1 {
  position: absolute;
  top: 0;
  left: 0;
}