contactus.css

input[type="text"],
select,
textarea {
  border: 1px solid #ccc;
  background-color: rgb(229, 185, 250);
  border-radius: 4px;
  margin-top: 6px;
  margin-bottom: 16px;
  width: 100%;
  padding: 12px;
  box-sizing: border-box;
  resize: vertical;
}

input[type="submit"] {
  background-color: #04aa6d;
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

input[type="submit"]:hover {
  background-color: #45a049;
}

.cont {
  align-items: center;
  margin-left: auto;
  margin-right: auto;
  width: 900px;
  color: whitesmoke;
  border-radius: 5px;
  background-image: linear-gradient(
    0.9turn,
    rgb(130, 104, 224),
    20%,
    rgb(49, 5, 99)
  );
  padding: 20px;
}
.box {
  align-items: center;
  margin-left: auto;
  margin-right: auto;
  width: 900px;
  color: rgb(255, 255, 253);
  border-radius: 5px;
  background-image: linear-gradient(
    0.9turn,
    rgb(130, 104, 224),
    20%,
    rgb(8, 103, 158)
  );
  font-size: large;
  padding: 20px;
}
body {
  margin-left: auto;
  margin-right: auto;
  color: white;
  background: linear-gradient(-45deg, #2b1b16, #650392, #050505, #047c60);
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
  height: 100vh;
}

@keyframes gradient {
  0% {
    background-position: 0% 40%;
  }
  50% {
    background-position: 100% 40%;
  }
  100% {
    background-position: 0% 50%;
  }
}