body {
  color: #333;
  font-family: 'Open Sans', sans-serif;
  margin: 0;
  padding: 0;
}

main {
  margin: 40px;
}

h1 {
  font-size: 30px;
  margin-bottom: 40px;
}

.button_container {
  border: 1px solid #ddd;
  margin: 0 10px 10px 0;
  padding: 20px;
  width: 300px;
  height: 300px;
  float: left;
  overflow: hidden;
  box-sizing: border-box;
  text-align: center;
}

a#btn_amazon {
  display: block;
  width: 100px;
  height: 100px;
  box-sizing: border-box;
  border-radius: 50px;
  margin: auto;
  margin-top: 75px;
  padding-top: 8px;
  background-color: #232f3e;
  color: #fff;
  text-align: center;
  font-size: 60px;
  transition: background-color .2s;
}

a#btn_amazon:hover {
  background-color: #fc9a18;
  box-shadow: 0 0 15px #fc9a18;
}

a#btn_amazon i {
  display: inline-block;
  transition: transform 0.6s ease;
}

a#btn_amazon:hover i {
  transform: rotate(360deg);
}

.btn_wrapper {
  position: relative;
  overflow: hidden;
  top: 50%;
  transform: translateY(-50%);
  height: auto;
  width: 80%;
  margin: 0 auto;
  background-color: #000;
  mask: url("https://upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Coca-Cola_logo.svg/1280px-Coca-Cola_logo.svg.png");
  mask-size: 100% 100%;
}

a#btn_cocacola {
  display: block;
  margin: auto;
  width: 100%;
  height: auto;
  position: relative;
}

a#btn_cocacola img {
  width: 100%;
  height: auto;
  filter: brightness(0);
}

.circle {
  width: 120px;
  height: 120px;
  border-radius: 60px;
  position: absolute;
  z-index: 5;
}

a#btn_cocacola .circle {
  background-color: #e41f26;
}

a#btn_cocacola .circle:nth-child(1) {
  transform: translate(0%, 120%);
}
a#btn_cocacola .circle:nth-child(2) {
  transform: translate(30%, 80%);
}
a#btn_cocacola .circle:nth-child(3) {
  transform: translate(60%, 70%);
}
a#btn_cocacola .circle:nth-child(4) {
  transform: translate(90%, 130%);
}

a#btn_cocacola:hover .circle:nth-child(1) {
  transition: transform 2.5s;
  transform: translate(0%, -10%);
}
a#btn_cocacola:hover .circle:nth-child(2) {
  transition: transform 2s;
  transform: translate(30%, -10%);
}
a#btn_cocacola:hover .circle:nth-child(3) {
  transition: transform 2.5s;
  transform: translate(60%, -10%);
}
a#btn_cocacola:hover .circle:nth-child(4) {
  transition: transform 2.5s;
  transform: translate(90%, -10%);
}

a#btn_apple {
  position: relative;
  display: block;
  width: 100px;
  height: 125px;
  margin: auto;
  top: 50%;
  transform: translateY(-50%);
  background-color: #000;
  background-size: 100px 125px;
  overflow: hidden;
  mask-image: url(images/Apple_logo_black.svg);
  mask-size: 100px 125px;
}

a#btn_apple::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url(images/appleGradient.png);
  background-size: 100px 125px;
  opacity: 0;
  transition: opacity 0.5s ease;
}

a#btn_apple i {
  display: none;
}

a#btn_apple:hover::before {
  opacity: 1;
}

a#btn_ibm {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}

a#btn_ibm .ibm_logos {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

a#btn_ibm img {
  width: auto;
  height: 60px;
  transition: all 0.5s ease;
}

a#btn_ibm img#ibmBee {
  opacity: 1;
}

a#btn_ibm img#ibmM {
  opacity: 0;
  transform: translateX(-70px);
  z-index: -1;
}

a#btn_ibm img#ibmEye {
  opacity: 0;
  transform: translateX(70px);
  z-index: -1;
}

a#btn_ibm:hover img#ibmEye {
  opacity: 1;
  transform: translateX(0);
}

a#btn_ibm:hover img#ibmM {
  opacity: 1;
  transform: translateX(0);
}

a#btn_nike {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
}

a#btn_nike img {
  width: 80%;
  margin-top: 40%;
  transition: all 0.3s ease;
}

a#btn_nike:hover img {
  transform: scale(1.1) translateY(-30px);
}

a#btn_nike span {
  position: absolute;
  opacity: 0;
  transition: all 0.3s ease;
  top: 150px;
  left: 50%;
  transform: translateX(-50%) scale(0.5) rotate(-20deg);
  font-size: 24px;
  font-family: 'Arial', sans-serif;
  font-weight: bold;
  color: #000;
}

a#btn_nike:hover span {
  opacity: 1;
  transform: translateX(-50%) scale(1) rotate(0deg);
}

a#btn_nbc {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
}

a#btn_nbc img {
  width: 80%;
  margin-top: 15%;
  transition: transform 0.3s ease;
  transform: translateY(15%);
}

a#btn_nbc:hover img {
  transform: translateY(0%);
}

a#btn_nbc span {
  position: absolute;
  bottom: 20px;
  left: 50%;
  opacity: 0.5;
  transform: translate(-50%, -40%);
  color: #000;
  font-size: 60px;
  font-family: 'Arial', sans-serif;
  font-weight: bold;
  transition: transform 0.5s ease, opacity 0.5s ease;
  z-index: -1;
}

a#btn_nbc:hover span {
  transform: translateX(-50%);
  opacity: 1;
}

a#btn_instagram {
  position: relative;
  display: block;
  width: 100px;
  height: 100px;
  margin: auto;
  top: 50%;
  transform: translateY(-50%);
  background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
  border-radius: 20px;
  transition: all 0.5s ease;
}

a#btn_instagram span {
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  opacity: 0;
  color: #000;
  font-size: 16px;
  font-family: 'Arial', sans-serif;
  font-weight: bold;
  margin-left: 10px;
  white-space: nowrap;
  transition: opacity 0.5s ease;
}

a#btn_instagram i {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 80px;
  color: #fff;
  transition: all 0.5s ease;
}

a#btn_instagram:hover {
  width: 60px;
  height: 60px;
  transform: translateY(-50%) translateX(-40px);
}

a#btn_instagram:hover i {
  font-size: 48px;
}

a#btn_instagram:hover span {
  opacity: 1;
}

a#btn_npr {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: #000;
  font-size: 40px;
  font-weight: bold;
  font-family: 'Arial', sans-serif;
}

a#btn_npr .npr-letters {
  display: flex;
  gap: 0px;
  transition: gap 0.5s ease;
}

a#btn_npr span {
  background-color: #fff;
  transition: all 0.3s ease;
}

a#btn_npr:hover .npr-N {
  background-color: #ee3b25;
  padding: 5px 8px;
  color: #fff;
}

a#btn_npr:hover .npr-P {
  background-color: #000000;
  padding: 5px 8px;
  color: #fff;
}

a#btn_npr:hover .npr-R {
  background-color: #4066b1;
  padding: 5px 8px;
  color: #fff;
}

a#btn_spotify {
  position: relative;
  display: block;
  width: 52px;
  height: 52px;
  margin: auto;
  top: 50%;
  transform: translateY(-50%);
  background-color: #1db954;
  border-radius: 50px;
  box-sizing: border-box;
}

a#btn_spotify i {
  color: #fff;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 50px;
}

a#btn_spotify img:nth-of-type(1) {
  position: absolute;
  top: -40%;
  left: -40%;
  width: 50%;
  height: auto;
  object-fit: cover;
  transform: rotate(-45deg);
}

a#btn_spotify img:nth-of-type(2) {
  position: absolute;
  top: -80%;
  left: 30%;
  width: 50%;
  height: auto;
  object-fit: cover;
  transform: rotate(10deg);
}

a#btn_spotify img:nth-of-type(3) {
  position: absolute;
  top: -30%;
  left: 100%;
  width: 50%;
  height: auto;
  object-fit: cover;
  transform: rotate(-20deg);
}

a#btn_spotify:hover i {
  animation: spin 2s linear infinite;
}

a#btn_spotify:hover img:nth-of-type(1) {
  animation: shake1 2s infinite;
}


a#btn_spotify:hover img:nth-of-type(2) {
  animation: shake2 2s infinite;
}


a#btn_spotify:hover img:nth-of-type(3) {
  animation: shake3 2s infinite;
}

@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes shake1 {
  from { transform: translate(0, 0) rotate(-45deg); }
  33% { transform: translate(-5px, 5px) rotate(-40deg); }
  66% { transform: translate(5px, -5px) rotate(-50deg); }
  to { transform: translate(0, 0) rotate(-45deg); }
}

@keyframes shake2 {
  from { transform: translate(0, 0) rotate(10deg); }
  33% { transform: translate(5px, -5px) rotate(15deg); }
  66% { transform: translate(-5px, 5px) rotate(5deg); }
  to { transform: translate(0, 0) rotate(10deg); }
}

@keyframes shake3 {
  from { transform: translate(0, 0) rotate(-20deg); }
  33% { transform: translate(-5px, 5px) rotate(-15deg); }
  66% { transform: translate(5px, -5px) rotate(-25deg); }
  to { transform: translate(0, 0) rotate(-20deg); }
}

a#btn_twitter {
  position: relative;
  display: block;
  width: 50px;
  height: 50px;
  margin: auto;
  top: 50%;
  transform: translateY(-50%);
  background-color: #56cdf1;
  border-radius: 25px;
  box-shadow: 0 4px 8px rgba(86, 205, 241, 0.3);
  transition: all 0.3s ease;
  overflow: visible;
}

a#btn_twitter i {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 24px;
  color: #000;
  transition: all 0.3s ease;
}

a#btn_twitter span#twitter {
  position: absolute;
  top: 50%;
  left: 65%;
  transform: translateY(-50%);
  opacity: 0;
  color: #000;
  font-size: 14px;
  font-family: 'Arial', sans-serif;
  font-weight: bold;
  white-space: nowrap;
  transition: opacity 0.1s ease, left 0.1s ease;
}

a#btn_twitter .chirp-nowx {
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%) rotate(-30deg);
  color: #000;
  font-size: 12px;
  font-family: 'Arial', sans-serif;
  font-weight: bold;
  opacity: 0;
  z-index: -1;
  transition: all 0.3s ease;
  white-space: pre-line;
}

a#btn_twitter:hover {
  width: 120px;
  background-color: #56cdf1;
  box-shadow: 0 6px 12px rgba(86, 205, 241, 0.4);
}

a#btn_twitter:hover .chirp-nowx {
  opacity: 0.8;
  z-index: 10;
}

a#btn_twitter span#chirp{
  color: #56cdf1;
}

a#btn_twitter:hover i {
  transform: translate(-50%, -50%) scale(1.2) rotate(-15deg);
  left: 25%;
}

a#btn_twitter:hover span#twitter {
  opacity: 1;
  left: 48%;
}