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_spotify {
    display: inline-block;
    height: 50px;
    box-sizing: border-box;
    border-radius: 25px;
    margin: auto;
    margin-top: 100px;
    padding: 10px 40px 0 40px;
    background-color: #2ebd59;
    border: 2px solid #2ebd59;
    color: #fff;
    font-size: 20px;
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
    text-decoration: none;
    transition: all .5s;
}

a#btn_spotify:hover {
    background-color: #fff;
    border: 2px solid #000;
    color: #000;
}
    
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: all .2s;
}
    
a#btn_amazon:hover {
    background-color: #fc9a18;
}
    
a#btn_twitter {
    display: inline-block;
    height: 40px;
    box-sizing: border-box;
    border-radius: 4px;
    margin: auto;
    margin-top: 105px;
    padding: 10px 30px 0 30px;
    background-color: #56cdf1;
    color: #fff;
    font-size: 18px;
    font-family: 'Arial', sans-serif;
    font-weight: bold;
    text-decoration: none;
}

a#btn_twitter:hover {
    /* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#2ebfec+0,28a5cb+100 */
    background: rgb(46,191,236); /* Old browsers */
    background: -moz-linear-gradient(-45deg,  rgba(46,191,236,1) 0%, rgba(40,165,203,1) 100%); /* FF3.6-15 */
    background: -webkit-linear-gradient(-45deg,  rgba(46,191,236,1) 0%,rgba(40,165,203,1) 100%); /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(135deg,  rgba(46,191,236,1) 0%,rgba(40,165,203,1) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#2ebfec', endColorstr='#28a5cb',GradientType=1 ); /* IE6-9 fallback on horizontal gradient */
}
    
a#btn_indiegogo {
    display: inline-block;
    position: relative;
    margin:auto;
    margin-top: 100px;
    padding: 8px 16px;
    background-color: #fff;
    color: #eb1478;
    font-family: 'Ubuntu', sans-serif;
    font-size: 30px;
    font-weight: bold;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: -2px;
    transition: all .2s;
}

a#btn_indiegogo:before {
    content: "";
    display: block;
    width: 0;
    height: 0;
    z-index: 1;
    position: absolute;
    top: 50%;
    left: 50%;
    background-color: #eb1478;
    transition: all .5s;
}

a#btn_indiegogo:hover {
    color: #fff;
}

a#btn_indiegogo:hover:before {
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
}

a#btn_indiegogo span {
    position: relative;
    z-index: 10;
}

a#btn_cocacola {
    background-color: red;
    color: white;
    display: inline-block;
    position: relative;
    margin:auto;
    margin-top: 100px;
    padding: 15px 25px;
    text-transform: none;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    box-sizing: border-box;
    border-radius: 20px;
}

a#btn_cocacola:hover {
    background-color: white;
    color: red;
    border: 2px solid red;
}

a#btn_cocacola:before {
    display: block;
    width: 0;
    height: 0;
    z-index: 1;
    position: absolute;
    top: 50%;
    left: 50%;
}

#button-nike {
    font-size: 25px;
    font-family: 'Oswald', sans-serif;
    font-style: italic;
    background-color: #000000;
    border: 2px solid #000000;
    color: rgb(255, 255, 255);
    display: inline-block;
    box-sizing: border-box;
    text-decoration: none;
    text-transform: lowercase;
    height: 50px;
    border-radius: 15px;
    margin: auto;
    margin-top: 100px;
    padding: 10px 20px 10px 18px;
    font-weight: bold;
    transition: all .5s;

}

#button-nike:hover {
    color: rgb(0, 0, 0);
    background-color: rgb(255, 111, 0);
}

a#btn_michealkors {
    background-color: black;
    color: white;
    display: inline-block;
    position: relative;
    margin:auto;
    margin-top: 100px;
    padding: 10px 15px;
    text-transform: uppercase;
    text-decoration: none;
    font-family: Arial, Helvetica, sans-serif;
}

a#btn_michealkors:hover {
    background-color: black;
    color: rgb(181, 181, 181);
}

a#btn_michealkors:before {
    display: block;
    width: 0;
    height: 0;
    z-index: 1;
    position: absolute;
    top: 50%;
    left: 50%;
}

a#btn_ideo {
    display: inline-block;
    margin: auto;
	margin-top: 90px;
    font-size: 30px;
    text-decoration: none;
    text-transform: uppercase;
    font-family: 'Poppins', sans-serif;
    font-weight: 400;
    color: rgb(207, 41, 41);
    position: relative;
    padding: 10px;
    transition-duration: 0.3s;
    transition-property: box-shadow;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    transform: translateZ(0);
}

a#btn_ideo:hover {
    box-shadow: inset 0 0 0 3px rgb(130, 218, 199), 0 0 1px rgb(0 0 0 / 0%);
}

a#btn_ibm {
    font-size: 30px;
    text-transform: uppercase;
    background-color: rgb(1, 170, 248);
    border: 3px solid rgb(1, 170, 248);
    color: #ffffff;
    border-radius: 10px;
    display: inline-block;
    box-sizing: border-box;
    text-decoration: none;
    height: 50px;
    margin: auto;
    margin-top: 100px;
    padding: 13px 20px 10px 20px;
    transition: all .2s;
}

a#btn_ibm:hover {
    border: 1px solid #ffffff;
    color: rgb(1, 170, 248);
    background-color: #ffffff;
}

a#btn_oldnavy {
    display: inline-block;
  position: relative;
  margin: auto;
  margin-top: 100px;
  color: #12286b;
  background-color: #ffffff;
  font-family: "Ubuntu", sans-serif;
  font-size: 30px;
  text-decoration: none;
  transition: all 0.2s;
  padding: 10px 20px;
  transform: skewX(-10deg);
}

a#btn_oldnavy:before {
    content: "";
  display: block;
  width: 0;
  height: 100%;
  z-index: 1;
  position: absolute;
  top: 0;
  right: 100%;
  background-color: #000000;
  transition: all 0.2s;
}
  
a#btn_oldnavy:hover {
    color: #12286b;
  font-size: 32px;
}
  
a#btn_oldnavy:hover:before {
    width: 100%;
    height: 100%;
    right: 0;
    top: 0;
}
  
a#btn_oldnavy span {
    position: relative;
    z-index: 2;
}

a#btn_nerf {
    background-color: rgb(255, 106, 0);
    color: white;
    display: inline-block;
    position: relative;
    margin:auto;
    margin-top: 100px;
    padding: 5px 15px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all .3s;
    font-family: Helvetica, sans-serif;
    font-weight: 800;
    font-style: normal;
    font-size: 30px;
    border-radius: 20px;
}

a#btn_nerf:hover {
    background-color: white;
    color: rgb(255, 106, 0);
    text-decoration: underline;
}

a#btn_nerf:before {
    display: block;
    width: 0;
    height: 0;
    z-index: 1;
    position: absolute;
    top: 50%;
    left: 50%;
}

#btn_lyft {
    font-size: 20px;
    background-color: white;
    border: 1px solid #ffffff;
    color: #f60dc0;
    display: inline-block;
    box-sizing: border-box;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: bold;
    height: 50px;
    margin: auto;
    margin-top: 100px;
    padding: 13px 20px 10px 20px;
    transition: all .2s;

}

#btn_lyft:hover {
    font-size: 30px;
}

a#btn_samsung {
    display: inline-block;
    position: relative;
    margin: auto;
    margin-top: 70px;
    color: #ffffff;
    font-family: "Open Sans", sans-serif;
    font-size: 28px;
    font-weight: 800;
    text-decoration: none;
    text-transform: uppercase;
    transition: all 0.3s;
    width: 200px;
    padding: 10px 0px;
  }
  
  a#btn_samsung:hover {
    color: #007bff;
    background-color: #ffffff;
  }
  
  a#btn_samsung:before {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    z-index: 1;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #007bff;
    transition: all 0.3s;
    border-radius: 20px;
  }
  
  a#btn_samsung:hover:before {
    width: 0;
    height: 0;
    left: 50%;
    top: 50%;
  }
  
  a#btn_samsung span {
    position: relative;
    z-index: 2;
  }

a#btn_instagram {
    font-size: 18pt;
    font-family: 'Oswald', sans-serif;
    font-weight: bold;
    background-color: rgb(175, 54, 188);
    border-radius: 300px;
    color: #ffffff;
    display: inline-block;
    box-sizing: border-box;
    text-decoration: none;
    height: 140px;
    width: 140px;
    text-align: left;
    line-height: 1;
    margin: auto;
    margin-top: 54px;
    padding-top: 55px;
    padding-left: 14px;
}

a#btn_instagram:hover {
    background-color: rgb(173, 115, 179);
}

a#btn_tesla {
    background-color: rgb(224, 0, 0);
    color: rgb(255, 255, 255);
    display: inline-block;
    position: relative;
    margin: auto;
    margin-top: 100px;
    padding: 5px 5px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all .3s;
    font-weight: 800;
    font-style: normal;
    font-size: 30px;
    border: 3px solid rgb(109, 0, 0);
}

a#btn_tesla:hover {
    background-color: rgb(255, 81, 81);
    border: 5px solid rgb(109, 0, 0);
    text-decoration: underline;
}

a#btn_tesla:before {
    display: block;
    width: 0;
    height: 0;
    z-index: 1;
    position: absolute;
    top: 50%;
    left: 50%;
}

a#btn_apple {
    font-size: 15pt;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    background-color: #838383;
    color: #00e5ff;
    border: 2px solid #000000;
    border-radius: 20px;
    display: inline-block;
    box-sizing: border-box;
    text-decoration: none;
    height: 50px;
    width: 104px;
    text-align: left;
    margin: auto;
    margin-top: 100px;
    transition: all .4s;
    padding-top: 12px;
    padding-left: 23px;
}

a#btn_apple:hover {
    -webkit-box-shadow: 9px 9px 18px 0px rgba(0, 242, 255, 0.92);
    -moz-box-shadow: 9px 9px 18px 0px rgba(0, 242, 255, 0.92);
    box-shadow: 9px 9px 18px 0px rgba(0, 242, 255, 0.92);
}

a#btn_pastaria {
    display: inline-block;
    margin: auto;
	margin-top: 100px;
    font-size: 35px;
    text-decoration: none;
    font-family: 'Playfair Display', serif;
    font-weight: 500;
    color: rgb(52, 128, 57);
    transform: perspective(1px) translateZ(0);
    position: relative;
    overflow: hidden;
}

a#btn_pastaria:hover::before {
    left: 0;
    right: 0;
}

a#btn_pastaria:before {
    content: "";
    position: absolute;
    z-index: -1;
    left: 51;
    right: 51%;
    bottom: 0;
    background: rgb(52, 128, 57);
    height: 2px;
    transition-duration: 0.25s;
    transition-timing-function: ease-out;
}

a#btn_harleydavidson{
    font-size: 30px;
    font-weight: bold;
    display: flex;
    padding: 12px 28px;
    justify-content: center;
    align-items: center;
    position: relative;
    margin:auto;
    margin-top: 100px;
    text-transform: uppercase;
    text-decoration: none;
    background-color: rgb(255, 95, 8);
    color:white;
    border: 2px solid white;
    border-radius: 40px;
    text-decoration: none;
    transition: all .4s;
}

a#btn_harleydavidson:hover{
    background-color: white;
    font-size:30px;
    color: black;
}

a#btn_cartoonnetwork{
    color: rgb(52, 221, 255);
    font-size: 50px;
    box-sizing: border-box;
    border-radius: 25px;
    height:70px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin:auto;
    text-transform:uppercase;
    font-weight:bolder;
    text-decoration: none;
    transition: all .25s;
    margin-top: 90px;
}

a#btn_cartoonnetwork:hover{
    color:rgb(43, 255, 149);
    -ms-transform: rotate(360deg);
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
}

a#btn_newyorker {
    color: rgb(0, 0, 0);
    display: inline-block;
    position: relative;
    margin:auto;
    margin-top: 75px;
    padding: 20px 15px;
    text-transform: uppercase;
    font-weight: bold;
    text-decoration: none;
    transition: all .1s;
    font-size: 35px;
}

a#btn_newyorker:hover {
    background-color: rgb(0, 0, 0);
    color: rgb(253, 253, 253);
}

a#btn_newyorker:before {
    display: block;
    width: 0;
    height: 0;
    z-index: 1;
    position: absolute;
    top: 50%;
    left: 50%;
}

@keyframes explode {
    from { transform: translateX(-5px); }
    to { transform: translateX(5px); }
}

a#btn_newyorker:hover {
    display: block;
    transform-origin: center; 
    animation-name: explode;
    animation-duration: 0.2s;
    animation-iteration-count: infinite;
    animation-direction: alternate;
  }

  a#btn_facebook{
    font-family: 'Ubuntu', sans-serif;
    color:white;
    background-color:rgb(0, 132, 255);
    font-size: 50px;
    box-sizing: border-box;
    border-radius: 25px;
    width:100px;
    height:100px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin:auto;
    text-transform: none;
    text-decoration: none;
    margin-top: 70px;
    border: 0 solid;
    transition: all .2s;
}

a#btn_facebook:hover{
    background-color:white;
    color:rgb(0, 132, 255);
    border: 2px solid rgb(0, 132, 255);
    transform: translateY(-0.4em);
    box-shadow: 7px 10px rgb(0, 132, 255);
    margin-top:80px;
}

a#btn_craiglist {
    background-color: rgb(218, 103, 233);
    color: white;
    display: inline-block;
    position: relative;
    margin: auto;
    margin-top: 100px;
    padding: 5px 15px;
    text-transform: none;
    text-decoration: none;
    transition: all .1s;
    font-weight:lighter;
    font-style: normal;
    font-size: 30px;
}

a#btn_craiglist:hover {
    background-color: rgb(135, 26, 147);
    font-weight:bold;
    padding: 20px;
    padding-bottom: 25px;
}

a#btn_craiglist:before {
    display: block;
    width: 0;
    height: 0;
    z-index: 1;
    position: absolute;
    top: 50%;
    left: 50%;
}

a#btn_fitbit {
    display: inline-block;
    margin: auto;
	margin-top: 100px;
    font-size: 35px;
    text-decoration: none;
    font-family: 'Fira Sans', sans-serif;
    font-weight: 400;
    color: rgb(17, 139, 74);
    transform: perspective(1px) translateZ(0);
}

a#btn_fitbit:hover {
    animation-name: hvr-icon-up;
    animation-duration: 1s;
    animation-timing-function: ease-out;
}

@keyframes hvr-icon-up {
    0%, 50%, 100% {
        transform: translateY(0);
    }
    25%, 75% {
        transform: translateY(-10px);
    }
}

a#btn_stjude {
    font-size: 30px;
    font-family: 'Playfair Display', serif;
    font-style: normal;
    background-color: white;
    border: 1px solid #ffffff;
    color: #f91c1c;
    display: inline-block;
    box-sizing: border-box;
    text-decoration: none;
    height: 50px;
    margin: auto;
    margin-top: 100px;
    padding: 13px 20px 10px 20px;
    transition: all .5s;
}

a#btn_stjude:hover {
    border: 3px dotted #f91c1c;
}