*,
*::before,
*::after {
  box-sizing: border-box;
}

#zatemnenie_1,
#zatemnenie_2,
#zatemnenie {
  background: rgba(102, 102, 102, 0.5);
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  display: none;
}

#okno_1,
#okno_2,
#okno {
  width: 560px;
  height: 90%;
  padding: 35px 10px 10px 10px;
  border: 3px solid #989898;
  border-radius: 10px;
  color: #989898;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  background: #fff;
}

.overflo {
  height: 100%;
  overflow: auto;
}

#okno_1 input[type="radio"] + label:before,
#okno_2 input[type="radio"] + label:before,
#okno input[type="radio"] + label:before {
  display: none;
}

#zatemnenie_1:target,
#zatemnenie_2:target,
#zatemnenie:target {display: block;}

.close {
 /* display: inline-block;
  border: 1px solid #0000cc;
  color: #0000cc;
  padding: 0 12px;
  margin: 10px;
  text-decoration: none;
  background: #f2f2f2;
  cursor:pointer;*/
  font-size: 40px;
  position: absolute;
  top: 5px;
  right: 10px;
}
a.close {
  border-bottom: none;
  font-size: 16px;
  font-style: italic;
} 
/*.close:hover {background: #e6e6ff;}*/


.tabs {
  font-size: 0;
  min-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.tabs>input[type="radio"] {
  display: none;
}

.tabs>div {
  /* скрыть контент по умолчанию */
  display: none;
  border: 1px solid #e0e0e0;
  padding: 10px 15px;
  font-size: 16px;
}

/* отобразить контент, связанный с вабранной радиокнопкой (input type="radio") */
#tab-btn-1:checked~#content-1,
#tab-btn-2:checked~#content-2,
#tab-btn-3:checked~#content-3,
#tab-btn-4:checked~#content-4 {
  display: block;
  text-align: center;
}

.tabs input[type="checkbox"] + label, .tabs input[type="radio"] + label {
  text-decoration: none;
  color: #888;
  cursor: pointer;
  display: inline-block;
  font-size: 16px;
  font-weight: 400;
  padding-left: 1em;
  padding-right: 1em;
  position: relative;
}

.tabs>label {
  display: inline-block;
  text-align: center;
  vertical-align: middle;
  user-select: none;
  background-color: #f5f5f5;
  border: 1px solid #e0e0e0;
  padding: 2px 8px;
  font-size: 16px;
  line-height: 1.5;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out;
  cursor: pointer;
  position: relative;
  top: 1px;
  margin-bottom: 0;
}

.tabs>label:not(:first-of-type) {
  border-left: none;
}

.tabs>input[type="radio"]:checked+label {
  background-color: #fff;
  border-bottom: 1px solid #fff;
}

  @media screen and (max-width: 736px) {
    #okno_1,
    #okno_2,
    #okno {
      width: 94%;
      height: 76%;     
    }
    .tabs>div {
      padding: 10px 0;
    }
  }


/* ---------------------------------------------------------------------------- */

.polt {
  font-size: 13px;
  font-style: italic;
  color: #4acaa8;
}

#logo {
  width: 100px;
}

.more_1 {
  float: right;
  font-size: 12px;  
  margin: -40px 0 0;
}

.more_1 a {
  color: #4acaa8;  
}
.more_1 a:hover {
  color: #777;  
}

.more_1 em {
  font-size: 16px;  
}

.alt-features-icon span:before {
  background: #4acaa8;
	border-radius: 100%;
	color: #ffffff;
	display: block;
	height: 2.5em;
	line-height: 2.5em;
	text-align: center;
	width: 2.5em;
  font-size: 25px;
}

.alt-features-icon {
  width: 62px;
  margin: auto;
}

.alt-features-title {
	text-align: center;
  margin-top: 10px;
  font-weight: 200;
  letter-spacing: 0.3em;
  font-size: 20px;
}

.alt-features-descr {
  padding: 0 20px;
}

a.exter {
    color: #4acaa8;
}

.overflo img {
    display: block;
    width: 100%;
}

.fa-times {
    font-size: 28px;
}