body, html {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  font-style:normal;
  margin: 0;
  background: #fff;
  font-size: 14px;
}
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    font-weight:300;
}
.hero-image {
  background-image: url("https://mohamadrido.github.io/personal-jekyll-theme/assets/pexels-photo-2261017.jpeg");
  height: 100%; 
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  scrollbar-width: none;
}
.hero-text {
  text-align: center;
  text-decoration: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #555;
}
.hero-text button {
  border: none;
  outline: 0;
  display: inline-block;
  padding: 10px 25px;
  color: #fff;
  background-color: #dc143c;
  text-align: center;
  cursor: pointer;
}
.hero-text button:hover {
  background-color: #008080;
  color: #fff;
}
.footer {
  text-align: center;
  color: #555;
  padding: 15px;
  font-size: 12px;
}

* {
  box-sizing: border-box;
}

a {
  color: #333;
  text-decoration: none;
}
a:hover {
  color: #007bff;
  text-decoration: none;
}
.main {
  margin: 0 auto;
}
.container {
  margin: 15px auto;
  padding: 15px;
}
/* Float four columns side by side */
.column {
  float: left;
  width: 33.33%;
  border-radius: 0px;
  margin: 0 auto;
}

/* Remove extra left and right margins, due to padding */
.row {
  margin: 0 auto;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

.topnav {
  overflow: hidden;
  background-color: #1c1c1c;
  border-bottom: 1px solid #141414;
}

.topnav a {
  float: left;
  display: block;
  color: #dedede;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 16px;
}

.topnav a:hover {
  background-color: #141414;
  color: #fff;
}

.topnav a.active {
  background-color: #fff;
  color: #333;
}

.topnav .icon {
  display: none;
}

.header-right {
  float: right;
}

/* Responsive columns */
@media screen and (max-width: 900px) {
  .column {
    width: 50%;
    display: block;
  }
}

@media screen and (max-width: 600px) {
  .row {
    margin: 0 auto;
}
  .column {
    width: 100%;
    display: block;
  }
  .topnav a:not(:first-child) {display: none;}
  .topnav a.icon {
    float: right;
    display: block;
  }
  .header-right {
  float: none;
}
  .topnav.responsive {position: relative;}
  .topnav.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  .topnav.responsive a {
    float: none;
    display: block;
    text-align: left;
  }
}

/* Style the counter cards */
.card {
  padding: 10px 15px;
  text-align: left;
  background-color: #fff;
  color: #333;
}
img {
  border-radius: 5px;
  width: 100%;
}