html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  font-family: "Helvetica, Arial", sans-serif;
}

a, b, bold, p, h1, h2, h3 {
  font-family: "Helvetica, Arial", sans-serif;
}

body {
  background: black;
}

h1 {
  color: #fff;
  margin-bottom: 1rem;
  text-transform: uppercase;
  text-align: center;
  font-weight: bold;
  font-size: 2.8rem;
}

.wrapper {
  width: 300px;
  height: 100%;
  margin: auto;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

address {
  text-align: center;
  font-style: normal;
  color: #fff;
}

a {
  text-decoration: none;
  color: #fff;
  text-transform: uppercase;
  line-height: 2rem;
  font-size: .7rem;
}

svg {
  display: block;
  width: 70%;
  margin: auto;
  margin-bottom: 1rem;
  height: auto;
}

path#herz {
  -webkit-animation: pochen 1s infinite;
          animation: pochen 1s infinite;
  -webkit-transform-origin: center center;
          transform-origin: center center;
}

@-webkit-keyframes pochen {
  0%,50%,100% {
    -webkit-transform: scale(1);
            transform: scale(1);
    fill: #000;
  }
  60% {
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
    fill: #ffed00;
  }
  70% {
    -webkit-transform: scale(1);
            transform: scale(1);
    fill: #009fe3;
  }
  80% {
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
    fill: #e6007e;
  }
}

@keyframes pochen {
  0%,50%,100% {
    -webkit-transform: scale(1);
            transform: scale(1);
    fill: #000;
  }
  60% {
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
    fill: #ffed00;
  }
  70% {
    -webkit-transform: scale(1);
            transform: scale(1);
    fill: #009fe3;
  }
  80% {
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
    fill: #e6007e;
  }
}