<div class="services-area">
  <div class="wrapper">
    <div class="section-header">
      <h1> Our Services</h1>
    </div>
    <div class="items">
      <div class="single-item">
        <div class="item-box">
          <div class="icon-area">
            <i class="fa fa-envelope"></i>
          </div>
          <h3>Digital Marketing</h3>
          <p>Lorem Ipsum Lorem Ipsum Lorem Ipsum Lorem Ipsum Lorem Ipsum Lorem Ipsum</p>
        </div>
      </div>
      <div class="single-item">
        <div class="item-box">
          <div class="icon-area">
            <i class="fa fa-adjust"></i>
          </div>
          <h3>Business Analysis</h3>
          <p>Lorem Ipsum Lorem Ipsum Lorem Ipsum Lorem Ipsum Lorem Ipsum Lorem Ipsum</p>
        </div>
      </div>
      <div class="single-item">
        <div class="item-box">
          <div class="icon-area">
            <i class="fab fa-facebook"></i>
          </div>
          <h3>Data Analysis</h3>
          <p>Lorem Ipsum Lorem Ipsum Lorem Ipsum Lorem Ipsum Lorem Ipsum Lorem Ipsum</p>
        </div>
      </div>
    </div>
  </div>
</div>
  

* {
  box-sizing: border-box;
}

body{
  margin: 0;
  font-family: Poppins;
}

.services-area {
  background: #25272a;
  padding: 100px 0;
  min-height: 100vh;
  width: 100%;
  float: left;
}

.wrapper {
  max-width: 1170px;
  margin: auto;
}

.section-header h1 {
  text-align: center;
  font-size: 40px;
  color: #ddd;
  margin: 0;
  text-transform: uppercase;
  margin-bottom: 60px;
}

.items {
  float: left;
  width: 100%;
}

.single-item {
  width: 33.33%;
  float: left;
  padding: 15px;
}

.item-box {
  padding: 30px;
  text-align: center;
  position: relative;
  background: #34393e;
}

.item-box:before {
  position: absolute;
  content: '';
  left: 0;
  bottom: 0;
  width: 0;
  box-sizing: border-box;
  height: 0;
  border-bottom: 3px solid transparent;
  border-left: 3px solid transparent;
  transition: all .8s ease;
}

.item-box:after {
  position: absolute;
  content: '';
  left: 0;
  top: 0;
  width: 0;
  box-sizing: border-box;
  height: 0;
  border-top: 3px solid transparent;
  border-right: 3px solid transparent;
  transition: all .8s ease;
}

.single-item:hover .item-box:after,
.single-item:hover .item-box:before {
  border-color: deepskyblue;
  width: 100%;
  height: 100%;
}

.icon-area {
  font-size: 50px;
  color: #fff;
  transition: color .8s ease;
}

.single-item:hover .item-box .icon-area {
  color: deepskyblue;
}

.item-box h3 {
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  margin: 20px 0;
}

.item-box p {
  font-size: 15px;
  color: #ddd;
  line-height: 23px;
}

@media (max-width: 767px) {
  .single-item {
    width: 100%;
  }
}