.block-main-container {
  display: flex;
  flex-direction: column;
  font-family: "MailSansRoman", "Arial", sans-serif;
  height: 8%;
  width: 100% ;
  justify-content: center;
}

.heading {
  font-size: 320%;
  margin-bottom: 4%;
  height: 50%;
  width: 400%;
  color:black;
  margin-top: 3%;
  font-weight: 900;
  max-width: 1261px;
  display: flex;
  justify-content: flex-start;
  margin-left: 4%;
  font-family: "MailSansRomanbold", "Arial", sans-serif;
}

.internal-container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  width: 350%;
  height: 100%;
  font-weight: 300;
  max-width: 1261px;
}

.extension-block {
  background-color:#333;
  height: 350%;
  width: 900%;
  border-radius: 26px;
  margin-right: 5%;
  display: flex;

  flex-direction: column;
  max-width: 500px;
  min-height:615px ;
  min-width:263px ;
  padding-bottom: 1%;
}

.text-extension-block {
  height: 70%;
  width:100%;
  font-weight: 400;
  color: white;
  margin-right: 4%;
  margin-left: 4%;
  padding-left: 5.5%;
  display: flex;
  justify-content: center;
}

.img-extension-block {
  height: 90%;
  width:100%;
  display: flex;
  flex-direction: row;
  max-width: 407px;
}

.discribtion {
  font-size:120%;
  align-items: center;
  margin-right: 15%;
  margin-bottom: 4%;
  margin-top: 6%;
  justify-content: center;

  height: 550%;
  width:90%;
  display: flex;
}

.img-extension {
  height: 27%;
  width: 52%;
  margin-left: 10%;
  margin-top: 16%;
  margin-right: 5%;
  margin-bottom: 1%;
  border-radius:20px;
  display: flex;
  max-width: 309px;
  -webkit-box-shadow: 0px 0px 16px 3px rgba(0, 0, 0, 0.45);
  -moz-box-shadow: 0px 0px 16px 3px rgba(0, 0, 0, 0.45);
  box-shadow: 0px 0px 16px 3px rgba(0, 0, 0, 0.45);
}

.button-extension  {
  margin-left:9%;
  color:white;
  background-color:rgb(10, 58, 249);
  display: flex;
  max-width: 200px;
  width:35%;
  height:100%;
  justify-content: center;
  border-radius:5px;
  margin-bottom: 8%;
  margin-top: 3%;
  padding: 2%;
  font-size: 100%;
  min-width:78px;
  min-height: 26px;
  vertical-align: middle;
  cursor:pointer;
  border:1px solid transparent;
  transition: all 300ms ease;
  /* font-family: 'PT Sans', sans-serif; */
  font-weight: 600;
}

.button-extension:hover {
  border-color: rgb(164, 167, 255);
}

.img-extensionspecial {
  z-index: 2;
  margin-left: -30%;
  margin-top: 23.5%;
  margin-right: 5%;
  margin-bottom: 3%;
  height: 27%;
  width: 52%;
  border-radius:20px;
  display: flex;
  max-width: 309px;
  min-height:80px;
  min-width: 26px;
  -webkit-box-shadow: 0px 0px 16px 3px rgba(0, 0, 0, 0.45);
  -moz-box-shadow: 0px 0px 16px 3px rgba(0, 0, 0, 0.45);
  box-shadow: 0px 0px 16px 3px rgba(0, 0, 0, 0.45);
}



@media  (max-width: 1200px)  {
  .block-main-container {
    display: flex;
    flex-direction: column;
    font-family: 'PT Sans', sans-serif;
    height: 100%;
    width: 23% ;
    margin-top: 1%;
    margin-left: 2%;
  }

  .heading {
    margin-bottom: 10%;
    height: 50%;
    width: 400%;
    color:black;
    margin-top: 3%;
    font-weight: 900;
    font-size: 200%;
    display: flex;
    justify-content: flex-start;
    max-width: 495px;
  }

  .internal-container {
    display: flex;
    flex-direction: column;
    margin-bottom: 10%;
    width: 350%;
    height: 100%;
  }

  .extension-block {
    background-color:#2c2c2c;
    height: 350%;
    width: 700%;
    margin-bottom: 10%;
    border-radius: 26px;
    margin-right: 4%;
    display: flex;
    flex-direction: column;
    max-width: 407px;
    min-height:455px ;
    min-width:263px ;
  }

  .text-extension-block {
    height: 70%;
    width:100%;
    font-weight: 400;
    color: white;
    padding-left: 0%;
    padding-right: 5%;

    justify-self: center;
  }

  .img-extension-block {
    height: 90%;
    width:100%;
    display: flex;
    flex-direction: row;
    max-width: 407px;
  }

  .discribtion {
    font-size:120%;
    padding-left: 4%;
    margin-right: 4%;
    margin-bottom: 4%;
    justify-content: center;
    padding-top: 10%;
    height: 550%;
    width:90%;
    display: flex;
  }

  .img-extension {
    height: 27%;
    width: 52%;
    margin-left: 10%;
    margin-top: 16%;
    margin-right: 5%;
    margin-bottom: 1%;
    border-radius:20px;
    display: flex;
    max-width: 309px;
  }

  .button-extension {
    margin-left:9%;
    color:white;
    background-color:#005ff9;
    display: flex;
    max-width: 200px;
    width:35%;
    height:100%;
    justify-content: center;
    border-radius:5px;

    padding: 2%;
    font-size: 100%;
    min-width:78px;
    min-height: 26px;
    vertical-align: middle;
    cursor:pointer;
    border:1px solid transparent;
    transition: all 300ms ease;
    font-family: 'PT Sans', sans-serif;
    font-weight: 600;
  }
  .button-extension:hover {
    border-color: rgb(164, 167, 255);
  }

  .img-extensionspecial {
    z-index: 2;
    margin-left: -30%;
    margin-top: 23.5%;
    margin-right: 5%;
    margin-bottom: 3%;
    height: 27%;
    width: 52%;
    border-radius:20px;
    display: flex;
    max-width: 309px;
    min-height:80px;
    min-width: 26px;
  }
}

@media  (max-width: 480px)  {
  .extension-block {
    max-width: 320px;
  }
}