* {
  font-family: Arial, Helvetica, sans-serif;
}
a, a:visited, a:active {
  color:#333;
  text-decoration: none;
}
ul,
li {
  list-style: none;
}

th {
  font-weight: normal;
}

.btn:hover {
  cursor: pointer;
}
header{
  margin: 0;
  text-align: center;
  background: white;
  position: fixed;
  width: 100%;
  height: 60px;
  z-index: 999;
  align-items: center;
  top: 0;
}

.header-inner {
  padding: 0 10px;
  display: flex;
  align-items: center;
}
.header-logo {
  height: 60px;

  text-align: left;
  display: flex;
  flex: 1;
}
.header-logo a{
  display: flex;
}
.header-logo img {
  height: 90%;
  position: relative;
  display: block;
  align-items: center;
  width: 100px;
}
.company-name {
  font-size: 14px;
  position: relative;
  margin:auto 15px auto 0;
  padding-left: 10px;
  font-weight: bold;
  color: rgb(63, 63, 63);
  align-items: baseline;
}


.drawer_hidden {
  display: none;
}

.drawer_open {
  display: flex;
  height: 55px;
  width: 55px;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 100;
  cursor: pointer;
  background-color: #6ac27d;
  border-radius: 15px;
}
.drawer_open span,
.drawer_open span:before,
.drawer_open span:after {
  content: '';
  display: block;
  height: 3px;
  width: 25px;
  border-radius: 3px;
  background: #fff;
  transition: 0.5s;
  position: absolute;
}
.drawer_open span:before {
  bottom: 8px;
}
.drawer_open span:after {
  top: 8px;
}
#drawer_input:checked ~ .drawer_open span {
  background: rgba(255, 255, 255, 0);
}
#drawer_input:checked ~ .drawer_open span::before {
  bottom: 0;
  transform: rotate(45deg);
}
#drawer_input:checked ~ .drawer_open span::after {
  top: 0;
  transform: rotate(-45deg);
}




.nav_content {
  width: 100%;
  position: fixed;
  top: 0;
  left: 100%;
  z-index: 99;
  background: #fff;
  transition: .5s;
}

.nav_list {
  list-style: none;
  width: 80%;
  text-align: center;
}

.nav_item {
  display: block;
  box-sizing: border-box;
  width: 100px;
  border-bottom: #333 1px;
  font-size: 20px;
  height: 55px;
  margin: auto;
}

.nav_item:hover {
  text-decoration: #555 underline;
}

#drawer_input:checked ~ .nav_content {
  left: 0;
}

.main-img {
  background-image: url(img/lab001.jpg);
  background-size: cover;
  height: 600px;
  text-align: center;
  text-size-adjust: auto;
  align-items: center;
  position: relative;
  margin-bottom: 30px;
}

.main-img h1 {
  position: absolute;
  display: inline-block;
  font-size: 24px;
  width: 75%;
  color: #fff;
  top: 40%;
  left: 15%;
  text-align: center;
  align-items: center;
}
.main-img h1 br {
  display:none;
}
.section-title {
  margin: auto 20px;
  padding-top: 20px;
  text-align: center;
  font-size: 24px;
  border-bottom: #555 2px solid;
}

.study {
  margin: 5px auto;
  display: block;
  width: 97%;
  text-align: center;
  align-items: center;
}


.nmn {
  background: #083f58;
  text-align: center;
  align-items: center;
  display: inherit;
}
.nmn img{
  margin: 20px 0;
  width: 60%;
  max-width: 450px;
  margin-left: 5px;
  border-radius: 20%;
}
.nmn-text {
  padding: 20px 5%;
  color: #eee;
  text-align: left;
}

.leech {
  background: rgb(148, 180, 176);
  text-align: center;
  align-items: center;
}
.leech img{
  margin: 20px 0;
  width: 60%;
  max-width: 450px;
  margin-left: 5px;
  border-radius: 20%;
}
.leech-text {
  padding: 20px 5%;
}
.leech-text p {
  text-align: left;
}


.product {
  margin: 5px auto;
  display: block;
  width: 97%;
  text-align: center;
  align-items: center;
}

.product img{
  margin-top: 20px;
   width: 60%;
   max-width: 450px;
   margin-left: 5px;
   border-radius: 15%;
}
.product-txt {
  display: block;
  text-align: center;
  width: 80%;
  margin: 0 auto;
}
.product-txt h2 {
  text-align: center;
}
.product-txt p {
  text-align: center;
}

.about {
  margin: 30px 20px;
  background-color: #eee;
}

table {
  margin: 20px auto;
  width: 100%;
  max-width: 1050px;
  border-collapse: collapse;

}
table tr {
  border-bottom: 1px solid #b5b1b1;
}

table th,
table td {
  padding: 24px 0;
  border: none;

}

table th {
  width: 30%;
}

@media (max-width: 480px) {
  table th,
  table td {
    width: 100%;
    display: block;
    text-align: center;
  }

  table th {
    width: 100%;
  }

  table td {
    padding-top: 0;
  }
}

.associates {
  margin-bottom: 30px;
  border-bottom: 2px silver solid;
  width: 90%;
  padding: 0 5% 0 5%;
}
.associate {
  margin: 10px auto;
}
.name {
  font-size: 16px;
  border-bottom: 1px grey solid;
  width: 90%;
}
.resume {
  padding-top: 5px;
  display: inline-block;
  width: 90%;
}
footer {
  background-color: #07290f;
  text-align: center;
  color: #eee;
  height: 30px;
}

@media (min-width: 600) {
  header {
    margin: 0 20px;
  }
  
  .header-logo img {
    height: 65px;
    width: 200px;
  }
  .main-img h1{
    font-size: 28px;
  }
}
@media (min-width: 736px) {
  .main-img h1 br {
    display: unset;
  }

}

@media (min-width: 953px) {
header {
  margin: 0 auto;
  height: 80px;
}
.header-inner {
  max-width: 1200px;
  margin: auto;
}
.header-logo {
  flex: 1;
}
.header-logo img {
  width: 250px;
}
.company-name {
  font-size: 24px;
}
.drawer_open {
  display: none;
}
.drawer_open span,
.drawer_open span:before,
.drawer_open span:after {
  display: none;
}

.nav_content {
  height: 80px;
  left: 0;
  display: flex;
  position: inherit;
}
.nav_list {
  flex: 1;
  display: flex;
  position:inherit;
}
.nav_item {
  width: 120px;
  padding:0 20px;
  align-items: center;
  margin-right: 10px;
}
.nav_item a {
  font-weight: normal;
  padding-top: 20px;
  align-items: baseline;
}

.main-img{
  height: 800px;
}
.main-img h1 {
  font-size: 32px;
}


.nmn {
  max-width: 1050px;
  height: 500px;
  display: flex;
  position: relative;
  margin: auto;
}

.nmn-img {
  display: block;
  float: left;
  margin: 0 auto;
  width: 450px;
  flex: 1;
}
.nmn img {
  min-width: 450px;
  max-width: 500px;
}
.nmn-txt {
  float: right;
  flex: 1;
}
.leech {
  max-width: 1050px;
  height: 500px;
  display: flex;
  position: relative;
  margin: auto;
}
.leech {
max-width: 1050px;
  height: 500px;
  display: flex;
  position: relative;
}
.leech-img {
  float: right;
  margin: 0 auto;
}
.leech img {
  min-width: 450px;
  max-width: 500px;
}
.leech-txt {
  float: left;
  flex: 1;
}
.product {
  max-width: 1050px;
  
  position: relative;
}

.product-img {
  margin: 0 auto;
}

.associate {
  display: flex;
  margin: 5px auto;
  border-top: 1px gray dashed;
  border-bottom: 1px gray dashed;
  width: 80%;
  max-width: 1000px;
}
.associates h2 {
  margin-left: 30%;
}
.associate .name {
  padding-left: 3px;
  padding-right: 3px;
  width: 30%;
  border-right: 1px gray solid;
}
.resume {
  text-align: left;
}
}

@media (min-width: 1200px) {
  .main-img {
    height: 900px;
  }
  .main-img h1 {
    font-size: 48px;
  }
}