body {
  background: #2b2b2b url("../img/bg.jpg") left top no-repeat;
  background-attachment: fixed;
  background-size: cover;
  color: white;
  font: 300 14px/18px "Open sans", sans-serif;
}

.container {
  text-align: center;
}

.logo {
  margin-top: 30px;
  margin-bottom: 40px;
}

.logo>.img {
  float: left;
  margin-right: 18px;
  background-color: rgba(255,255,255,0.2);
  padding: 5px;
  border-radius: 3px;
}

.logo>.slogan {
  overflow: hidden;
  padding-top: 18px;
  font-size: 16px;
  text-transform: uppercase;
  text-align: left;
}

.h1 {
  font-size: 48px;
  line-height: 56px;
  margin-bottom: 30px;
  font-weight: 600;
}

.two-photo {
  text-align: center;
  margin-bottom: 30px;
}

.two-photo img {
  border-radius: 8px;
  width: 250px;
}

.two-photo img+img {
  margin-left: 30px;
}

.input-email {
  margin-bottom: 30px;
}

.input-email input[type="email"],
.input-email button {
  font-weight: 600;
  height: 100px;
  font-size: 24px;
  border: 0;
}

.input-email input[type="email"] {
  border-radius: 8px 0 0 8px;
}

.input-email input[type="email"]:focus {
  box-shadow: none;
}

.input-email button {
  border-radius: 0 8px 8px 0;
  background-color: #ef9000;
  transition: background-color 0.2s linear;
}

.input-email button:hover,
.input-email button:focus,
.input-email button:active,
.input-email button:active:hover,
.input-email button:active:focus {
  background-color: #ffb13b;
  outline: none;
}

.benefits {
  margin-bottom: 50px;
}

.benefits .img {
  height: 148px;
  margin-bottom: 20px;
}

.h3 {
  font-weight: 600;
  font-size: 16px;
  line-height: 22px;
}

.certificates {
  margin-bottom: 50px;
}

.certificates img+img {
  margin-left: 30px;
}

@media screen and (max-width: 768px) {
  .input-email input[type="email"],
  .input-email button {
    font-size: 18px;
    height: 80px;
  }

  .h1 {
    font-size: 40px;
    line-height: 48px;
  }

  .h3 {
    margin-bottom: 20px;
  }
}

@media screen and (max-width: 640px) {
  .input-email input[type="email"],
  .input-email button {
    font-size: 16px;
    height: 60px;
  }

  .two-photo img,
  .certificates img {
    width: 200px;
  }
}

@media screen and (max-width: 480px) {
  .input-group {
    display: block;
  }

  .input-group input[type="email"] {
    border-radius: 6px 6px 0 0!important;
  }

  .input-group-btn>button {
    width: 100%;
    border-radius: 0 0 6px 6px!important;
  }

  .two-photo img,
  .certificates img {
    width: 150px;
  }

  .two-photo img+img,
  .certificates img+img {
    margin-left: 10px;
  }
}

@media screen and (max-width: 410px) {
  .two-photo img,
  .certificates img {
    display: block;
    width: 200px;
    height: auto;
    margin: 0 auto 15px;
  }

  .two-photo img+img,
  .certificates img+img {
    margin-left: auto;
  }
}