body {
  margin: 0;
  padding: 0;
  height: 100vh;
  width: 100%;
  background-color: dodgerblue;
  color: white;
}

.title {
  font-family: Verdana;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: center;
}

.form-wrapper {
  padding: 25px;
}
.form-wrapper .option-wrapper {
  margin: 10px 0;
}
.form-wrapper input[type=checkbox] {
  display: none;
}
.form-wrapper input[type=checkbox] + label {
  display: inline;
  position: relative;
}
.form-wrapper input[type=checkbox] + label::before {
  display: inline-block;
  width: 24px;
  height: 24px;
  content: " ";
  border: 2px solid white;
  border-radius: 4px;
  vertical-align: middle;
  margin-right: 15px;
  cursor: pointer;
  z-index: 10;
}
.form-wrapper input[type=checkbox]:checked + label::before {
  border: 2px solid springgreen;
}
.form-wrapper input[type=checkbox]:checked + label::after {
  width: 6px;
  height: 16px;
  border: 3px solid springgreen;
  border-left: none;
  border-top: none;
  content: " ";
  position: absolute;
  left: 10px;
  bottom: 1px;
  transform: rotatez(45deg);
  cursor: pointer;
  z-index: 20;
}
.form-wrapper .btn-submit {
  width: 100px;
  padding: 10px;
  background-color: transparent;
  border: 2px solid white;
  color: white;
  text-align: center;
}
.form-wrapper .btn-submit:hover {
  cursor: pointer;
  border-color: springgreen;
  color: springgreen;
}