* {
  box-sizing: border-box;
  font-size: 20px;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

form {
  border-radius: 5px;
  max-width: 600px;
  width: 100%;
  padding: 30px;
  margin: 0;
  border: 1px #000 solid;
}

.form label,
.input,
textarea,
button {
  display: block;
  font-family: sans-serif;
}
label {
  padding: 10px 0px;
}

.form-2 .rules {
  display: inline-block;
}

legend {
  font-weight: bold;
  font-family: sans-serif;
  padding: 0;
}
fieldset {
  border: 0;
  padding: 0;
}
textarea {
  resize: vertical;
}
.rules input {
  display: inline;
  width: 13px;
}

.checkbox {
  appearance: none;
  cursor: pointer;
  outline: none;
  position: absolute;
}

.checkbox::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid #333;
  border-radius: 4px;
  cursor: pointer;
  margin-left: -22px;
}

.checkbox:checked::after {
  background:
    url(../images/check-icon.svg) no-repeat center,
    #122fd4;
}

.form .label-checkbox {
  padding-left: 24px;
}

.input,
textarea {
  border-radius: 5px;
  border-style: solid;
  border-width: 1px;
  margin-top: 5px;
  padding-left: 10px;
  width: 100%;
}

button {
  border-radius: 6px;
  padding: 6px 18px;
  border-style: none;
  background-color: #2f4ae6;
  color: #fff;
  cursor: pointer;
  transition: opacity 0.2s;
}

.button:hover {
  opacity: 0.8;
}

.button:active:not(:disabled):active {
  background-color: #122fd4;
}

.button:disabled,
.input:disabled,
.textarea:disabled,
.checkbox:disabled::after {
  opacity: 0.5;
  cursor: default;
}

.input:focus-visible,
.textarea:focus-visible,
.checkbox:focus-visible::after,
.button:focus-visible {
  outline: 2px solid #8e33d8;
  outline-offset: 1px;
}