style.css

@import url('https://fonts.googleapis.com/css?family=Karla&display=swap');
html {
  box-sizing: border-box;
  font-family: Oswald, Helvetica, Arial, sans-serif;
  letter-spacing: 1px;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-y: hidden;
  display: flex;
  align-items: center;
}

/* Video Background */
.video-background {
  position: fixed;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: auto;
  object-fit: cover;
}

video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.navbar {
  padding: 10px 0px;
  background-color: rgba(82, 115, 167, 0.7);
  display: flex;
  justify-content: space-around;
  color: white;
  font-size: 30px;
  box-shadow: 0 10px 10px 10px rgba(0, 0, 0, 0.25);
}
.navbar-item {
  text-align: center;
}
.fixed-top {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
}

a {
  color: white;
  text-decoration: none;
}

a:hover {
  color: black;
  text-decoration: none;
  cursor: pointer;
  transition: ease-in 0.3s;
  transform: scale(1.05);
}

/* Container */
#container {
  min-width: 580px;
  min-height: 304px;
  color: black;
  margin: 0 auto;
  padding: 25px 50px;
  border-radius: 10px;
  z-index: 2;
  display: flex;
  justify-content: center;
}
.single-container {
  min-width: 580px;
  min-height: 304px;
  min-width: 400px;
  min-height: 245px;
  color: black;
  margin: 0 auto;
  padding: 25px 50px;
  border-radius: 10px;
  z-index: 2;
  display: flex;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.8);
}

.input-container {
  position: relative;
  top: 20px;
}

.add-button {
  color: white;
}
.add-button:hover {
  color: black;
  cursor: pointer;
  transition: ease-in 0.3s;
  transform: scale(1.05);
}

h1 {
  font-size: 35px;
  text-align: center;
  margin-top: 0;
  margin-bottom: 10px;
}
/* Modal */
.modal-container {
  background: rgba(0, 0, 0, 0.6);
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.show-modal {
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.modal {
  background: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
  max-width: 95%;
  width: 500px;
  animation: modalopen 1s;
}

@keyframes modalopen {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.close-icon {
  float: right;
  color: white;
  font-size: 24px;
  position: relative;
  top: 13px;
  right: 13px;
  cursor: pointer;
}

.modal-header {
  background-color: rgb(82, 115, 167);
  color: white;
  padding: 5px;
}

h3 {
  margin: 5px;
  text-align: center;
  font-size: 25px;
}

.modal-content {
  padding: 20px;
  background: whitesmoke;
}
.suggested-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 0;
}
.suggested-list-li {
  font-size: 20px;
}
.suggested-list-li:hover {
  color: blue;
  cursor: pointer;
}

/* Form */
.form {
  width: 480px;
}

label {
  font-weight: bold;
  margin-left: 10px;
}

input {
  width: 95%;
  margin-bottom: 10px;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 7px;
  background: #fff;
  outline: none;
  font-family: Oswald, Helvetica, Arial, sans-serif;
  font-size: 18px;
  letter-spacing: 1px;
}

/* Button */
button {
  width: 100%;
  height: 40px;
  border-radius: 7px;
  margin: 15px 0px;
  border: none;
  text-transform: uppercase;
  background: rgb(82, 115, 167);
  color: white;
  cursor: pointer;
  outline: none;
  padding: 10px;
}
button:hover {
  transform: translateY(-3px);
  box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
  transition: all 0.2s;
}
button::after {
  transform: scaleX(1.4) scaleY(1.6);
  opacity: 0;
  transition: all 0.2s;
}

button:active,
button:focus {
  outline: none;
  transform: translateY(-1px);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.2);
  transition: all 0.2s;
}

/* Countdown */
ul {
  margin-left: -45px;
}

li {
  display: inline-block;
  font-size: 30px;
  list-style-type: none;
  padding: 10px;
  text-transform: uppercase;
}

li span {
  display: block;
  font-size: 80px;
  text-align: center;
}

/* Complete */
.complete {
  position: relative;
  top: 60px;
}
.complete-title {
  animation: completedAnnoucement 0.7s infinite;
}

@keyframes completedAnnoucement {
  0% {
    /* color: rgb(255, 0, 106); */
  }
  25% {
    color: rgb(163, 10, 74);
  }
  50% {
    color: rgb(255, 0, 106);
    transform: translateY(15px);
    /* font-size: 16px; */
  }
  75% {
    /* color: rgb(195, 207, 18); */
  }
  100% {
    /* color: rgb(255, 0, 106); */
  }
}
/* Media Query: Large Smartphone (Vertical) */
@media screen and (max-width: 750px) {
  video {
    object-fit: cover;
    object-position: 25%;
    margin-top: -1px;
  }

  .video-background {
    height: 100vh;
    width: 100vw;
  }
  .navbar {
    padding: 10px 20px;
    font-size: 21px;
    align-items: center;
  }

  .single-container {
    min-width: unset;
    width: 95vw;
    min-height: 245px;
    padding: 20px;
    margin: 10px;
  }

  .input-container {
    top: unset;
  }

  .countdown {
    position: relative;
    top: 10px;
  }

  .form {
    width: unset;
  }

  input {
    width: 93%;
  }

  h1 {
    font-size: 30px;
  }

  li {
    font-size: 18px;
    padding: 8px;
  }

  li span {
    font-size: 40px;
  }
}
@media screen and (max-width: 350px) {
  .navbar {
    padding: 10px 20px;
    font-size: 21px;
    align-items: center;
  }
  li {
    font-size: 14px;
    padding: 7px;
  }
  li span {
    font-size: 40px;
  }
}