Responsive Box Hover Effect/style.css
html,
body {
  padding: 0;
  margin: 0;
  overflow-x: hidden;
  background-color: #15202b;
}
body * {
  transition: 0.3s;
}
li {
  color: #fff;
  font-family: 'helvetica', sans-serif;
  font-size: 20px;
  text-align: center;
}
h4 {
  font-size: 30px;
  color: #fff;
  font-family: 'Nunito', sans-serif;
  margin-left: 3em;
  margin-top: 50px;
  margin-bottom: 30px;
}

.tech-wrapper {
  width: 100%;
  margin-bottom: 45px;
  margin-left: 2em;
}

.tech-wrapper ul {
  list-style: none;
}

.tech-wrapper ul li {
  padding: 45px;
  line-height: 30px;
  margin: 0px 20px;
  cursor: pointer;
  border-radius: 0%;
  border: 1px solid #17a2b8;
  transition: all 0.5s ease;
}

.tech-wrapper ul li.java {
  display: inline-block;
  width: 60px;
  height: 60px;
}

.tech-wrapper ul li:hover.java {
  border: 5px solid #dd4b39;
  box-shadow: 0 0 15px #dd4b39;
  transition: all 0.5s ease;
}
.tech-wrapper ul li:hover .fa-java {
  color: #dd4b39;
  text-shadow: 0 0 15px #dd4b39;
  transition: all 0.5s ease;
}
.tech-wrapper ul li.cpp {
  display: inline-block;
  width: 60px;
  height: 60px;
}
.tech-wrapper ul li:hover.cpp {
  border: 5px solid #3b5998;
  box-shadow: 0 0 15px #3b5998;
  transition: all 0.5s ease;
}

.tech-wrapper ul li:hover .fa-cpp {
  color: #3b5998;
  text-shadow: 0 0 15px #3b5998;
  transition: all 0.5s ease;
}
.tech-wrapper ul li.python {
  display: inline-block;
  width: 60px;
  height: 60px;
}
.tech-wrapper ul li:hover.python {
  text-align: center;
  border: 5px solid #3b5998;
  box-shadow: 0 0 15px #3b5998;
  transition: all 0.5s ease;
}
.tech-wrapper ul li:hover .fa-python {
  color: #3b5998;
  text-shadow: 0 0 15px #3b5998;
  transition: all 0.5s ease;
}
.tech-wrapper ul li.js {
  display: inline-block;
  width: 60px;
  height: 60px;
}
.tech-wrapper ul li:hover.js {
  border: 5px solid lime;
  box-shadow: 0 0 15px lime;
  transition: all 0.5s ease;
}

.tech-wrapper ul li:hover .fa-js {
  color: lime;
  text-shadow: 0 0 15px lime;
  transition: all 0.5s ease;
}
.tech-wrapper ul li.aws {
  display: inline-block;
  width: 60px;
  height: 60px;
}
.tech-wrapper ul li:hover.aws {
  border: 5px solid#dd4b39;
  box-shadow: 0 0 15px #dd4b39;
  transition: all 0.5s ease;
}

.tech-wrapper ul li:hover .fa-aws {
  color: #dd4b39;
  text-shadow: 0 0 15px #dd4b39;
  transition: all 0.5s ease;
}
.tech-wrapper ul li.docker {
  display: inline-block;
  width: 60px;
  height: 60px;
}
.tech-wrapper ul li:hover.docker {
  border: 5px solid #00c3ffe3;
  box-shadow: 0 0 15px #00c3ffe3;
  transition: all 0.5s ease;
}

.tech-wrapper ul li:hover .fa-docker {
  color: #00c3ffe3;
  text-shadow: 0 0 15px #00c3ffe3;
  transition: all 0.5s ease;
}
.tech-wrapper ul li.react {
  display: inline-block;
  width: 60px;
  height: 60px;
}
.tech-wrapper ul li:hover.react {
  border: 5px solid #17a2b8;
  box-shadow: 0 0 15px #17a2b8;
  transition: all 0.5s ease;
}
.tech-wrapper ul li:hover .fa-react {
  color: #17a2b8;
  text-shadow: 0 0 15px #17a2b8;
  transition: all 0.5s ease;
}
.tech-wrapper ul li.css {
  display: inline-block;
  width: 60px;
  height: 60px;
}
.tech-wrapper ul li:hover.css {
  border: 5px solid #5e88fa;
  box-shadow: 0 0 15px #5e88fa;
  transition: all 0.5s ease;
}

.tech-wrapper ul li:hover .fa-css {
  color: #5e88fa;
  text-shadow: 0 0 15px #5e88fa;
  transition: all 0.5s ease;
}

@media screen and (max-width: 640px) {
  .tech-wrapper {
    width: 350px;
  }
  .tech-wrapper ul li {
    margin-top: 10px;
  }
  .tech-wrapper ul li.java {
    margin-left: 20px;
  }
  .tech-wrapper ul li.cpp {
    margin-left: 20px;
  }
  .tech-wrapper ul li.python {
    margin-left: 20px;
  }
  .tech-wrapper ul li.js {
    margin-left: 20px;
  }
  .tech-wrapper ul li.aws {
    margin-left: 20px;
  }
  .tech-wrapper ul li.docker {
    margin-left: 20px;
  }
  .tech-wrapper ul li.react {
    margin-left: 20px;
  }
  .tech-wrapper ul li.css {
    margin-left: 20px;
  }
}

@media screen and (max-width: 340px) {
  .tech-wrapper {
    width: 150px;
  }
  .tech-wrapper ul li {
    margin: 15px;
  }
  .tech-wrapper ul li.java {
    margin-left: 15px;
  }
  .tech-wrapper ul li.cpp {
    margin-left: 15px;
  }
  .tech-wrapper ul li.python {
    margin-left: 15px;
  }
  .tech-wrapper ul li.js {
    margin-left: 15px;
  }
  .tech-wrapper ul li.aws {
    margin-left: 15px;
  }
  .tech-wrapper ul li.docker {
    margin-left: 15px;
  }
  .tech-wrapper ul li.react {
    margin-left: 15px;
  }
  .tech-wrapper ul li.css {
    margin-left: 15px;
  }
}
