body {
  margin: 0px;
  padding: 20px;
     font-size: 22px;

}

header {
  background-color: #2c3e50;
  color: white;
  text-align: center;
  padding: 20px 10px;
  }

header h1 {
 font-size: 2.5em;
}


main {
 margin: 0px; 
padding: 20px;
  text-align: center;
}


footer {
  background-color: #2c3e50;
  color: white;
  text-align: center;
  padding: 10px;
   overflow-x: hidden;
}



@keyframes slideLeftRight {
  0% {
    transform: translateX(-400px);
  }
  50% {
    transform: translateX(400px);
  }
  100% {
    transform: translateX(-400px);
  }
}

.footer-image.animated {
    width: 100% ;
  max-width: 500px ;
  height: auto;
  display: block;
  margin: 10px auto 0 auto;
    animation: slideLeftRight 6s infinite alternate ease-in-out;
}

/* 018 */
.button018 a {
    position: relative;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 0 auto;
    width: 90%;         
    max-width: 450px;         
    padding: 18px 25px 18px 40px; 
    color: #313131;
    transition: 0.3s ease-in-out;
    font-weight: 500;
    font-size: 1.6em;        
    margin-bottom: 20px;
    box-sizing: border-box;
�@�@white-space: nowrap;
}

.button018 a:before, .button018 a:after {
  content: "";
  position: absolute;
  display: block;
  top: 50%;
}

.button018 a:before {
    content: "";
    position: absolute;
    display: block;
    top: 50%;
    width: 0.7rem;
    height: 0.7rem;
    left: 1.2rem;
    border-top: solid 3px #fff;
    border-right: solid 3px #fff;
    z-index: 2;
    transform: translateY(-50%) rotate(45deg);
    transition: all 0.3s;
}

.button018 a:after {
    content: "";
    position: absolute;
    display: block;
    top: 50%;
    left: 0;
    background: #6bb6ff;
    z-index: 1;
    width: 4rem;               
    height: 4rem;
    border-radius: 4rem;
    transform: translateY(-50%);
    transition: all 0.5s;
}

.button018 a span {
  position: relative;
  transition: all 0.3s;
  z-index: 3;
}

.button018 a:hover span {
  color: #fff;
}
.button018 a:hover:before {
  left: 2rem;
}
.button018 a:hover:after {
  right: 0;
  width: 100%;
}


@media screen and (max-width: 600px) {
  body {
    padding: 10px;
  }

  header, main, footer {
    padding-left: 10px;
    padding-right: 10px;
  }