a {
  color: #000;
}
a:hover {
  color: #ace;
}
a,
a:hover {
  transition: 0.3s;
}

/* header */
header {
  background: url('https://hosiatee.sirv.com/Images/New%20Project%20(10).png');
}
.text-center {
  text-align: center !important;
}
.header--content {
  text-align: center;
  padding-top: 80px;
  padding-bottom: 240px;
}
.header--subtitle {
  font-size: 1.7em;
  color: rgb(255, 247, 223);
}
.header--title {
  font-size: 5.5em;
  line-height: 1em;
  font-weight: bold;
}
.header--btn .btn {
  font-size: 1.3em;
  border-radius: 50px;
  padding: 8px 80px;
  margin-top: 20px;
}

/* section */
main {
  padding: 20px 0;
  margin-bottom: 80px;
}
.title {
  font-size: 3em;
}
/* navigation */
.navi {
  /* background: rgb(133, 204, 151); */
  color: #fff;
  padding: 25px;
}
.nav a {
  color: #000;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.nav a:hover {
  color: rgb(203, 236, 211);
}
.navi--number a {
  color: #000;
  font-size: 1.5em;
  border-bottom: 2px solid #fff9;
}
.navi--number a:hover {
  text-decoration: none;
}

/* projects */
.project {
  border: 2px solid rgb(15, 150, 15);
  cursor: pointer;
  margin-bottom: 5px;
}

.image {
  position: relative;
  display: inline-block;
}
.overlay {
  border: 4px solid rgb(194, 95, 95, 0.6);
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  display: inline-block;
}
.overlay--inner {
  display: none;
  transition: visibility 1s, opacity 0.5s linear;
}

.image:hover .overlay--inner {
  width: 100%;
  height: 100%;
  background: rgba(209, 122, 205, 0.8);
  position: absolute;
  top: 0;
  left: 0;
  display: inline-block;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  text-align: center;
  color: white;
  padding: 12px;
  font-size: 20px;
  transition: visibility 1s, opacity 0.5s linear;
  cursor: pointer;
}

.overlay--inner__image {
  max-width: 100%;
  padding-top: 25%;
}
.project-preview {
  background: #cef;
  padding: 20px;
  border-radius: 20px;
  margin-bottom: 10px;
}
/* testimonials */
.testimonials {
  background: rgb(183, 209, 235);
  padding: 20px 0;
}
.reviews {
  color: #0008;
}
.reviews .col-md-6 {
  margin-bottom: 70px;
}
.no-mobile {
  display: block;
}
#display {
  background: #fff;
  position: fixed;
  width: 100%;
  height: 100vh;
  top: 0;
  left: 0;
  z-index: 1;
  display: none;
}
.mobile-nav {
  border-bottom: 1px solid #ddd;
  padding-bottom: 8px;
}
.nav-links,
.nav-links li {
  padding: 0;
  margin: 0;
}
.nav-links li {
  list-style: none;
}
.nav-links li a {
  font-size: 1em;
  color: rgb(39, 77, 116);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-family: sans-serif;
}
.mobile {
  display: none;
}
@media only screen and (max-width: 600px) {
  .header--content {
    padding-top: 50px;
    padding-bottom: 80px;
  }
  .header--subtitle {
    font-size: 1.2em;
  }
  .header--title {
    font-size: 2.5em;
  }
  .header--btn .btn {
    font-size: 1em;
  }
  .navi {
    padding: 0;
  }
  .no-mobile {
    display: none;
  }
  .mobile {
    display: block;
  }
  .image {
    margin: 10px 20px;
  }
  .logo {
    max-width: 150px;
    margin-top: 5px;
  }
  main {
    margin-bottom: 10px;
  }
}
@media (min-width: 1200px) {
  .container {
    max-width: 1400px;
  }
}