HTMLify

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "sans";
}

@font-face {
  font-family: "sans";
  src: url(font/sans.ttf);
}

body {
  background-color: #19172e;
}

.container {
  width: 40%;
  height: 500px;
  margin: 3rem auto;
  text-align: center;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 15px 25px rgba(0, 0, 0, 0.1);
  border-radius: 20px;
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative
}

.container h2 {
  position: absolute;
  top: 10px;
  color: white;
}

.container .input {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  width: 100%;
  /* align-items: center; */
  height: fit-content;
  position: relative;
}

.container .input h4 {
  text-align: left;
  color: rgba(255, 255, 255, 0.795);
  font-size: 16px;
  margin-bottom: 5px;
  font-weight: 400;
  margin-left: 3%;
}

.container .input input {
  width: 90%;
  height: 40px;
  outline: none;
  border: none;
  font-size: 20px;
  padding: 0 2%;
  margin-left: 3%;
  border-radius: 3px;
}

.container button {
  width: 100px;
  height: 35px;
  outline: none;
  border: none;
  margin: 20px 0;
  font-size: 18px;
  border-radius: 3px;
  background-color: white;
  cursor: pointer;
  transition: all 300ms ease;
}

.container button:hover {
  background-color: rgb(253, 207, 78);
}

.container button:active {
  background-color: #1e8e3e;
}




/* remove up and down arrow in input number */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

footer {
  color: white;
  position: absolute;
  text-align: center;
  font-size: 1rem;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 5px;
  line-height: 3vh;
}

footer a:visited {
  color: inherit;
}


@media (max-width: 800px) {
  .container {
    width: 80%;
  }
}