@keyframes color {
  0% {
    background: #33cccc;
  }
  20% {
    background: #33cc36;
  }
  40% {
    background: #b8cc33;
  }
  60% {
    background: #fcca00;
  }
  80% {
    background: #33cc36;
  }
  100% {
    background: #33cccc;
  }
}
@keyframes border {
  0% {
    border-color: red;
  }
  20% {
    border-color: green;
  }
  40% {
    border-color: blue;
  }
  60% {
    border-color: yellow;
  }
  80% {
    border-color: blue;
  }
  100% {
    border-color: green;
  }
}

body {
  font-family: sans-serif;

  flex-direction: column;
  align-items: center;
  animation: color 9s infinite linear;
}
h1 {
  text-align: center;
}
h1:hover {
  text-align: center;
}
button {
  background-color: transparent;
  color: black;
  width: 100%;
  height: 50px;
  font-size: 15px;
  font-weight: bold;
  animation: border 5s linear infinite;
  border-width: 3px;
  border-radius: 10px;
}
a {
  color: inherit;
  text-decoration: inherit; 
}

@keyframes slide {
  to {
    background-position: 20vw;
  }
}

button:hover {
  background-color: transparent;

  background-image: linear-gradient(
    90deg,
    #00c0ff 0%,
    #ffcf00 49%,
    #fc4f4f 80%,
    #00c0ff 100%
  );
  animation: slide 1s linear infinite;
  transition: 100ms;
  border-radius: 100px;
  cursor: pointer;
}
button:disabled {
  visibility: hidden;
}
.bigBlock {
  display: flex;
  flex-direction:row;
  flex-wrap: wrap;
  width: 100%;
  margin: auto;
  width: 100%;
  padding: 10px;
  text-align: center;
  text-decoration: none;

}
.normBlock {
  padding: 20px;
  background-color: transparent;
  width: 200px;
  height: 200px;
}
.normBlock:hover {
  padding-left: 20px;
  padding: 25px;
  background-image: linear-gradient(
    90deg,
    #00c0ff 0%,
    #ffcf00 49%,
    #fc4f4f 80%,
    #00c0ff 100%
  );
  animation: slide 1s linear infinite;
  border-radius: 50px;
}

.normBlock img {
  width: 100px;
}
.normBlock input[type="text"] {
  background-color: transparent;
  border-color: transparent;
  color: black;
  text-align: center;
  text-decoration: bold;
  width: 100%;
}
.normBlock input[type="number"] {
  background-color: transparent;
  border-color: black;
  color: black;
  text-align: center;
  text-decoration: bold;
}
.center {
  margin: auto;
  width: 50%;
  padding: 10px;
  text-align: center;
}
.center input[type="text"] {
  width: 100%;
  height: 50px;
  background-color: transparent;
  border-color: black;
  color: black;
  text-align: center;
  text-decoration: bold;
  font-size: 20px;
}
::placeholder {
  color: black;
  opacity: 1;
}
.footer {
  font-family: sans-serif;
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: rgb(0, 0, 0);
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 100px;
  
}