:root {
  --waveBackground: #3586ff;
}
footer {
   position: relative;
   width: 100%;
   background: var(--waveBackground);
   min-height: 100px;
   padding: 20px 50px;
   display: flex;
   justify-content: center;
   align-items: center;
   flex-direction: column;
   visibility: hidden;
   z-index: 10000;
   align-self: flex-end;
}
footer.sticky {
   visibility: visible;
}
footer .social_icon, footer .menu {
   position: relative;
   display: flex;
   justify-content: center;
   align-items: center;
   margin: 10px 0;
   flex-wrap: wrap;
}
footer .social_icon li, footer .menu li {
   list-style: none;
}
footer .social_icon li a, footer .menu li a {
   font-size: 2em;
   color: #fff;
   margin: 0 10px;
   display: inline-block;
   transition: 0.5s;
}
footer .social_icon li a:hover {
   transform: translateY(-10px);
}

footer .menu li a {
   font-size: 1.2em;
   color: var(--white);
   margin: 0 10px;
   display: inline-block;
   transition: 0.5s;
   text-decoration: none;
   opacity: 0.75;
}
footer .menu li a:hover {
   opacity: 1;
}

footer p {
   color: var(--fontColor);
   text-align: center;
   margin-top: 15px;
   font-size: 1.1em;
}

footer .wave {
   position: absolute;
   top: -100px;
   left: 0;
   width: 100%;
   height: 100px;
   background: url("/tppa/images/wave.png");
   background-size: 1000px 100px;
}
footer .wave#wave1 {
   z-index: 1000;
   opacity: 1;
   bottom: 0;
   animation: animateWave 4s linear infinite;
}
footer .wave#wave2 {
   z-index: 999;
   opacity: 0.5;
   bottom: 10px;
   animation: animateWave_02 4s linear infinite;
}
footer .wave#wave3 {
   z-index: 1000;
   opacity: 0.2;
   bottom: 15px;
   animation: animateWave 3s linear infinite;
}
footer .wave#wave4 {
   z-index: 999;
   opacity: 0.7;
   bottom: 10px;
   animation: animateWave_02 3s linear infinite;
}
@keyframes animateWave {
   0% {  
      background-position-x: 1000px;
   }
   100% {
      background-position-x: 0px;
   }
}
@keyframes animateWave_02 {
   0% {  
      background-position-x: 0px;
   }
   100% {
      background-position-x: 1000px;
   }
}