style.css

*, *:before, *:after {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
label {
  display: none
}
body {
  font-family: 'Comfortaa', sans-serif;
  background-color: #202020;
  text-align: center;
  font-size: 2vw;
}

ul {
  list-style-type: none;
  margin-right: 3%;
}

li {
  list-style-type: none text-align: center;
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 30px;
  border: 1px solid black;
  border: inset 1px solid #333;
  -webkit-box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.3);
  -moz-box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.3);
  box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.3);
  color: rgb(78, 11, 43);
}

form {
  border-radius: 10px;
  padding: 10px;
}

#form-title {
  color: rgb(78, 11, 43);
  width: 80%;
}

input[type="message"] {
  display: inline-block;
  margin: 0 auto;
  height: 8vw;
  font-size: 5vw;
  appearance: none;
  border-radius: 100px;
  padding-left: 3vw;
}

input[type="message"]:focus {
  border: 2px solid grey:;
}

input[type="submit"] {
  display: block;
  margin: 2vw auto;
  width: 11vw;
  height: 5vw;
  font-size: 2.5vw;
  font-family: Comfortaa;
  background-color: rgb(242, 203, 239);
  border-radius: 5px;
}

button {
  background-color: #FF4E50;
  border: none;
  color: white;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 2vw;
  border-radius: 7%;
  margin-right: 2vw;
  padding: 1vw 1vw;
}

h1 {
  color: #FC913A;
  font-family: Comfortaa, sans-serif;
  font-size: 10vw;
  margin: 2vw auto 0;
}

h2 {
  color: #FC913A;
  font-family: Comfortaa, sans-serif;
  font-size: 2.5vw;
  margin: 2vw auto;
}

li {
  background-color: #E1F5C4;
  transition: 4s;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

li input {
  /*display: inline-block;*/
  /*position: relative;*/
  margin-left: 2vw;
  /*-webkit-appearance:none;*/
  width: 3vw;
  height: 3vw;
  background: #F9D423;
  border-radius: 5px;
  border: 2px solid #555;
}

@media screen and (max-width: 480px) {
  body {
    font-size: 4vw;
  }
  h2 {
    font-size: 3.5vw;
  }
  input[type="submit"] {
    width: 18vw;
    height: 6vw;
    font-size: 3.5vw;
  }
}