* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
}

.highlight {
  color: tomato;
}

p {
  color: dimgray;
}

img {
  width: 100%;
}

h1 {
  font-size: 2.5rem;
  text-align: center;
  padding: 3rem;
}

h2 {
  font-size: 2rem;
}

.link-button {
  color: white;
  text-decoration: none;
  font-weight: bold;
  background-image: linear-gradient(45deg, lightsalmon, tomato);
  padding: 10px 20px;
  border-radius: 5px;
}

.intro {
  padding: 2rem;
}

.intro h2 {
  padding-bottom: 1rem;
}

.intro h3 {
  padding-bottom: 1rem;
}

.intro p {
  margin-bottom: 2rem;
}

.hidden {
  display: none;
}

.box {
  margin: 2rem;
  padding: 1rem;
  -webkit-box-shadow: 10px 10px 40px gray;
          box-shadow: 10px 10px 40px gray;
  border-radius: 5px;
  background-color: white;
}

.box h3 {
  margin-bottom: 1rem;
}

.box h4 {
  margin-bottom: 1rem;
}

#box1 {
  border-left: 7px solid;
  -o-border-image: linear-gradient(tomato, lightsalmon);
     border-image: -webkit-gradient(linear, left top, left bottom, from(tomato), to(lightsalmon));
     border-image: linear-gradient(tomato, lightsalmon);
  border-image-slice: 1;
}

#box2 {
  border-left: 7px solid;
  -o-border-image: linear-gradient(blue, cyan);
     border-image: -webkit-gradient(linear, left top, left bottom, from(blue), to(cyan));
     border-image: linear-gradient(blue, cyan);
  border-image-slice: 1;
}

#welcome-section {
  background-image: url("../images/top-banner.png");
  background-repeat: no-repeat;
  margin-bottom: 2rem;
}

#about-section {
  background-image: url("../images/dream-bg.png");
  background-repeat: no-repeat;
  background-position: right;
  margin-bottom: 2rem;
}

#experience-section {
  background-image: url("../images/exp-bg.png");
  background-repeat: no-repeat;
  background-position: left;
  margin-bottom: 2rem;
}

#experience-section h2 {
  padding: 2rem 2rem 0rem;
}

footer p {
  text-align: center;
  font-size: 12px;
  padding: 1rem;
}

@media (min-width: 768px) {
  .half-width {
    width: 50%;
  }
  h1 {
    font-size: 2rem;
    text-align: left;
  }
  .intro {
    padding: 3rem;
  }
  #welcome-section {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  #welcome-section .hidden {
    display: block;
  }
  #welcome-section .unhidden {
    display: none;
  }
  #about-section {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  #experiences {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
}