header {
  padding: 0px 7rem;
  background-color: #ffffff;
}
footer {
  min-height: 100px;
  color: #ffffff;
  background-color: #404040;
  margin-top: 100px;
}
.nav-link {
  color: #000000;
}
.container {
  max-width: 100%;
}
.about-main {
  max-width: 1200px;
  margin: 0 auto;
}
.Product-main {
  max-width: 1500px;
  margin: 0 auto;
}
.Product-title {
  padding: 32px 16px 16px 16px;
  display: block;
}

.bd-placeholder-img {
  width: 100%;
}

/* #banner-a {
  background: url(../images/Exos_BN_1.jpg) center center no-repeat;
  background-size: contain;
  width: 100%;
  max-width: 1920px;
  height: 770px;
}
#banner-b {
  background: url(../images/Exos_BN_2.jpg) center center no-repeat;
  width: 100%;
  max-width: 1920px;
  height: 770px;
}
#banner-c {
  background: url(../images/Exos_BN_3.jpg) center center no-repeat;
  width: 100%;
  max-width: 1920px;
  height: 770px;
} */
#banner-only {
  background: url(../images/1920.jpg) center center no-repeat;
  background-size: contain;
  width: 100%;
  max-width: 1470px;
  height: 350px;
  margin: 30px auto 0px auto;
  padding: 0 !important;
}
#banner-about {
  background: url(../images/about.jpg) center center no-repeat;
  background-size: cover;
  width: 100%;
  height: 520px;
  padding: 0 !important;
}
.about {
  color: #ffffff;
  text-align: left;
  width: 1200px;
  margin: 6rem auto 0 auto !important;
}
.margin-auto {
  margin: 0 auto;
}
/*
 * Custom translucent site header
 */

.site-header {
  background-color: rgba(0, 0, 0, 0.85);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
}
.site-header a {
  color: #8e8e8e;
  transition: color 0.15s ease-in-out;
}
.site-header a:hover {
  color: #fff;
  text-decoration: none;
}

/*
 * Dummy devices (replace them with your own or something else entirely!)
 */

.product-device {
  position: absolute;
  right: 10%;
  bottom: -30%;
  width: 300px;
  height: 540px;
  background-color: #333;
  border-radius: 21px;
  transform: rotate(30deg);
}

.product-device::before {
  position: absolute;
  top: 10%;
  right: 10px;
  bottom: 10%;
  left: 10px;
  content: "";
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
}

.product-device-2 {
  top: -25%;
  right: auto;
  bottom: 0;
  left: 5%;
  background-color: #e5e5e5;
}

/*
 * Extra utilities
 */

.flex-equal > * {
  flex: 1;
}

.product {
  min-height: 350px;
  position: relative;
}
.product:hover {
  cursor: pointer;
}
.product:hover .Button-arrow {
  cursor: pointer;
  transform: translateX(10px);
}
.product:hover .Button-arrow::before {
  color: #000000;
}

.Button-arrow {
  display: inline-block;
  flex-shrink: 0;
  height: 12px;
  position: absolute;
  bottom: 30px;
  right: 30px;
  transition: all 0.2s ease;
  vertical-align: middle;
  width: 20px;
  z-index: 1;
}
.Button-arrow::after {
  border-right: 2px solid currentColor;
  border-top: 2px solid currentColor;
  content: "";
  display: block;
  height: 10px;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 10px;
}
.Button-arrow::before {
  border-bottom: 2px solid currentColor;
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: opacity 200ms ease, width 200ms ease;
  width: 100%;
  color: transparent;
}

#exTab1 .tab-content {
  color: white;
  background-color: #428bca;
  padding: 5px 15px;
}

#exTab2 h3 {
  color: white;
  background-color: #428bca;
  padding: 5px 15px;
}

/* remove border radius for the tab */

#exTab1 .nav-pills > li > a {
  border-radius: 0;
}

/* change border radius for the tab , apply corners on top*/

#exTab3 .nav-pills > li > a {
  border-radius: 4px 4px 0 0;
}

#exTab3 .tab-content {
  color: white;
  background-color: #428bca;
  padding: 5px 15px;
}

@media (min-width: 768px) {
  .flex-md-equal > * {
    flex: 1;
  }
}

@media (max-width: 768px) {
  header {
    padding: 0px 0px;
  }
  .Button-arrow {
    display: none;
  }

  #banner-only {
    background: url(../images/1040x1040.jpg) center center no-repeat;
    background-size: contain;
    width: 100%;
    max-width: 1470px;
    height: 500px;
    margin: 0px auto;
    padding: 0 !important;
  }
  #banner-about {
    background: url(../images/about-2.jpg) center center no-repeat;
    background-size: cover;
    width: 100%;
    height: 520px;
    padding: 0 !important;
  }
}