textarea {
    display: flex;
    flex-wrap: wrap;
    border: 1px solid #BBB;
    color: #444;
    font-size: 110%;
  }

textarea {
  transform: rotateX(35deg);
  animation: ta 1.5s infinite;
  animation-direction: alternate;
  }

textarea:hover {
    animation: ta 2.5s 1;
  }
  
@keyframes ta {
  0% {
    transform: rotateX(0);
  }
  100% {
    transform: rotateX(30deg);
  }
}
  
button {
    margin-top: 10px;
  }

button:hover {background-color: #3e8e41}

button:active {
    background-color: #3e8e41;
    box-shadow: 0 5px #666;
    transform: translateY(4px);
}

.modify {
    color: blue;
    font-size: larger;
    background-color: aquamarine;
}


html {
    background-color: #10151B;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
  }
  
body {
    font-family: "Oswald", sans-serif;
    -webkit-font-smoothing: antialiased;
  }

  
.waviy span {
  display: inline-block;
  line-height: .95;
  color: #66fcf1;
  font-weight: 900;
  font-size: 95px;
  text-transform: uppercase;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  pointer-events: none;
  animation: flip 2s infinite;
  animation-delay: calc(.2s * var(--i))
  }

@keyframes flip {
  0%,80% {
    transform: rotateY(360deg) 
  }
}
  

.center {
    position: absolute;
    margin: auto;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 581px;
    height: 50%;
  }

.center {
  transform: rotateX(40deg);
  animation: cent 2.5s infinite;
  animation-direction: alternate;
}

.center:hover {
  animation: cent 2.5s 1;
}

@keyframes cent {
  0% {
    transform: rotateX(0);
  }
  100% {
    transform: rotateX(50deg);
  }
}

#notice {
    text-align: center;
    font-size: 14px;
    color: rgb(185, 180, 210);
    background: blue;
}

#links {
    font-size: 20px;
    color: rgb(179, 209, 30);
}

#links:hover {background-color: #000000c4}

#links:active {
    background-color: #3e8e41;
    box-shadow: 0 5px #666;
    transform: translateY(4px);
}

/* .btn class inside index.html*/
.btn {
    margin: 0 auto;
    width: 150px;
    height: 60px;
    padding: 6px 0 0 6px;
    border: 2px solid #66fcf1;
    border-radius: 2px;
    background: none;
    font-size: 16px;
    line-height: 54px;
    color: #fff;
    letter-spacing: .25em;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    vertical-align: middle;
    text-align: center;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    -webkit-transition: background .4s, color .4s;
    transition: background .4s, color .4s;
    cursor: pointer;
  }
  
.btn:hover {
    background: #66fcf1;
    color: #10151B;
  }