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HTML

              
                <div class="wrapper">
  <p>
    <label for="name">Full name</label>
    <input type="text" id="name" placeholder="e.g: John Smith">
  </p>
</div>
              
            
!

CSS

              
                .wrapper {
  max-width: 700px;
  margin: 4rem auto;
  padding: 1rem;
}


label {
  display: block;
}

input {
  appearance: none;
  font-size: 16px;
  padding: 8px;
  background-color: #fff;
  background-image: url("data:image/svg+xml,%3C%3Fxml version='1.0' encoding='UTF-8'%3F%3E%3Csvg fill='%23898989' width='100pt' height='100pt' version='1.1' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cg%3E%3Cpath d='m71.363 44.066c0 11.801-9.5664 21.363-21.367 21.363-11.797 0-21.363-9.5625-21.363-21.363 0-11.797 9.5664-21.363 21.363-21.363 11.805 0 21.367 9.5664 21.367 21.363z'/%3E%3Cpath d='m84.254 84.34c-8.7734-8.7539-20.883-14.168-34.254-14.168s-25.48 5.4141-34.254 14.168c8.7734 8.75 20.883 14.16 34.254 14.16s25.48-5.4102 34.254-14.16z'/%3E%3Cpath d='m50 1.5c-26.785 0-48.5 21.719-48.5 48.5 0 26.789 21.715 48.5 48.5 48.5s48.5-21.711 48.5-48.5c0-26.781-21.715-48.5-48.5-48.5zm0 91.562c-23.781 0-43.062-19.277-43.062-43.062 0-23.781 19.281-43.062 43.062-43.062 23.785 0 43.062 19.281 43.062 43.066 0 23.781-19.277 43.059-43.062 43.059z'/%3E%3C/g%3E%3C/svg%3E%0A");
  background-size: 20px 20px;
  background-position: left 10px center;
  background-repeat: no-repeat;
  border: 2px solid #dddbda;
  border-radius: 5px;
  padding-left: 40px;
  
  &:focus {
    background-image: url("data:image/svg+xml,%3C%3Fxml version='1.0' encoding='UTF-8'%3F%3E%3Csvg fill='%23545AF5' width='100pt' height='100pt' version='1.1' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cg%3E%3Cpath d='m71.363 44.066c0 11.801-9.5664 21.363-21.367 21.363-11.797 0-21.363-9.5625-21.363-21.363 0-11.797 9.5664-21.363 21.363-21.363 11.805 0 21.367 9.5664 21.367 21.363z'/%3E%3Cpath d='m84.254 84.34c-8.7734-8.7539-20.883-14.168-34.254-14.168s-25.48 5.4141-34.254 14.168c8.7734 8.75 20.883 14.16 34.254 14.16s25.48-5.4102 34.254-14.16z'/%3E%3Cpath d='m50 1.5c-26.785 0-48.5 21.719-48.5 48.5 0 26.789 21.715 48.5 48.5 48.5s48.5-21.711 48.5-48.5c0-26.781-21.715-48.5-48.5-48.5zm0 91.562c-23.781 0-43.062-19.277-43.062-43.062 0-23.781 19.281-43.062 43.062-43.062 23.785 0 43.062 19.281 43.062 43.066 0 23.781-19.277 43.059-43.062 43.059z'/%3E%3C/g%3E%3C/svg%3E%0A");
    outline: none;
    border-color: #545AF5;
  }
}

body {
  line-height: 1.5;
  font-family: "Rubik";
}

* {
  box-sizing: border-box;
}

              
            
!

JS

              
                
              
            
!
999px

Console