* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
  color: #000;
}

body {
  font-family: "Roboto", sans-serif;
  background-color: #fff;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

.app {
  background: url(./images/bg.webp);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.content {
  background: url(./images/bg-qt.webp);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  position: relative;
  width: 30%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3%;
}

.qt {
  width: 80%;
}

input {
  width: 100%;
  padding: 20px;
  border: 3px solid #c0c0c0;
  border-radius: 50px;
  font-size: 2.4rem;
  outline: none;
  text-align: center;
}

input::placeholder {
  color: #afafaf;
}

.input {
  margin: 20px 0;
}

@media screen and (max-width: 768px) {
  .app {
    background: url(./images/bg-mb.webp);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
  }

  .content {
    position: relative;
    width: 100%;
    border-radius: 50px;
    padding: 10% 15%;
  }

  input {
    width: 100%;
    padding: 10px;
    border-radius: 50px;
    font-size: 1rem;
    outline: none;
    border: 2px solid #c0c0c0;
  }
}