<div class="header">
  <div class="header-top">
    <h1>Wed development project</h1>
    <h4>Very suitable to support all wed development projects</h4>
  </div>
  <div class="header-bottom">
    <div class="button">
      <a href="">OUR SURVICES</a>
    </div>
    <div class="button">
      <a href="">HIRE IS NOW</a>
    </div>
  </div>
  <a href="" class="arrow"></a>
</div>

body {
  margin: 0;
  padding: 0;
}

.header {
  background: url(https://image.freepik.com/free-photo/business-dark-leather-desk-workspace-with-laptop-and-copyspace_67155-2371.jpg) no-repeat;
  background-size: cover;
  background-position: center;
  text-align: center;
  overflow: hidden;
  color: white;
  padding: 50px 15px 20px 15px;
  width: 100%;
}

.header-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 25px;
}

.button{
  width: 150px;
  padding: 10px;
  margin: 10px;
}

.button a {
  text-decoration: none;
  color: white;
}

.button:first-child {
  border: 3px solid white;
}

.button:last-child {
  border: 3px solid green;
  background-color: green;
}

.arrow {
  position: relative;
  border: solid white;
  border-width: 0 3px 3px 0;
  display: inline-block;
  padding: 3px;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  animation: arrow 2s infinite ease;
}

@keyframes arrow{
  0%{top: 0px;}
  50%{top: 20px;}
  100%{top: 0px;}
}