*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: Arial;
    font-size: 16px;
    line-height: 24px;
}
.container_center{
    margin: 0 auto;
    max-width: 1440px;
    padding: 3em;
}
.product_bg{
    background: linear-gradient(to bottom, #445162,  #989898);
}
.product{
    display: flex;
    justify-content: space-between;
    align-self: center;
    flex-wrap: wrap;
    
}
.product_heading{
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.3);
    color: #ffffff;
    font-weight: normal;
    font-size: 60px;
    padding-bottom: 1em;
}
.product_list{
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.3);
    color: #ffffff;
    font-size: 20px;
    list-style: none;
    list-style-position: inside;
    line-height: 36px;
}
.product_list_item{
    padding-bottom: 0.5em;
}
.fa-check{
    padding-right: 0.5em;
}
.product_video{
    display: inline-block;
    width: 470px;
    align-self: center;
    display: inline-block;
}
.heading{
    color: #445161;
    font-size: 30px;
    line-height: 36px;
    font-weight: normal;
    text-align: center;
    margin-bottom: 1em;
}
.about{
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.about_container{
    width: 60%;    
}
.about_heading{
    text-align: left;
}
.about_text{
    margin: 1em 0;
    color: #333333;
}
.about_img{
    max-width: 430px;
    height: 245px;
}
.dignity_bg{
    background-color: #f5f5f5;
}
.dignity_list{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    list-style-type: none;
}
.dignity_list_item{
    flex-basis: 50%;
    padding-left: 2.5em;
    margin-bottom: 1em;
    background-image: url(../img/dignity_item.png);
    background-repeat: no-repeat;
    color: #333333;
}

.screenshots_flex{
    display: flex;
    flex-wrap: wrap;
}
.screenshots_card{
    flex-basis: 50%;
    display: flex;
    margin-bottom: 2em;
}
.screenshots_card_heading{
    color: #445161;
    font-size: 24px;
    font-weight: 400;
    line-height: 30px;
    padding-bottom: 0.5em;
}
.screenshots_card_description{
    padding: 0 1em;
}
.screenshots_card_img{
    max-width: 200px;
    max-height: 150px;
}
.screenshots_card_text{
    color: #333333;
}
.reviews_bg{
background-color: #f5f5f5;
}
.triangle{
  width: 0px;
  height: 0px;
  border: 0.5em solid transparent;
  border-right: 0.5;
}
.reviews_card{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.card{
    flex-basis: 49%;
    display: flex;
}
.avatar{
    align-self: flex-start;
}
.reviews_text{
    color: #333333;
    font-size: 14px;
    font-style: italic;
    font-weight: 400;
    line-height: 18px;
    padding-bottom: 0.5em;
}
.reviews_futer{
    color: #989898;
    font-size: 14px;
    font-weight: 400;
    line-height: 18px;
}
.comment{
  background-color:#ebebeb;
  padding: 1em;
  margin: 0 0 1em 1em;
  border-radius: 5px;
  position: relative;
  margin-left: 1.5em;
}
.comment::before {
  content: '';
  display: block;
  width: 0px;
  height: 0px;
  border: 20px solid transparent;
  border-right: 20px solid #ebebeb;
  position: absolute;
  left: -2em;
}
.buy_card{
    display: flex;
    align-items: flex-end;
    justify-content: center;
    flex-wrap: wrap;
}
.buy_option{
    background-color: #445162;
    display: flex;
    flex-direction: column;
    border-radius: 0.3em;
    flex-basis: 25%;
    margin: 0 1.25em;
}
.buy_card_heading{
    color: #ffffff;
    font-size: 24px;
    line-height: 30px;
    text-align: center;
    padding: 0.5em 0;
    font-weight: normal;
}
.buy_card_price{
    color: #445162;
    font-size: 40px;
    font-weight: 400;
    line-height: 30px;
    text-align: center;
    padding: 0.5em 2.5em;
    background-color: #ffffff;
    border: 2px solid #445162;
}
.buy_card_list{
    padding: 2em;
    margin-left: 1em;
    color: #ffffff;
    font-size: 14px;
    font-weight: 400;
    line-height: 24px;
}
.buy_botton{
    color: #445161;
    font-size: 18px;
    line-height: 18px;
    text-decoration: none;
    padding: 1em 6em;
    background-color: #ffffff;
    display: inline-block;
    text-align: center;
    margin: 1em;
    border-radius: 0.3em;
}
.footer_bg{
    background: linear-gradient(to top, #445162,  #989898);
}
.footer_heading{
    color: #ffffff;
}
.form{
    display: flex;
    flex-direction: column;
    padding-right: 3em;
}
.contacts{
    display: flex;
    justify-content: center;
}
.form_input{
    background-color:#ffffff;
    border-radius: 0.3em;
    height: 3em;
    width: 31em;
    max-width: 31em;
    min-width: 31em;
    font-family: Arial, Helvetica, sans-serif;
    color: #445162;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    padding: 1em;
}
.input_message{
    height: 10em;
}
.form_button{
    color: #445162;
    align-self: center;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    border-radius: 0.5em;
    padding: 0.5em 3em;
    font-weight: bold;
}
::placeholder {
    font-family: Arial, Helvetica, sans-serif;
    color: #445162;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
}
output{
    color: #ffffff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
}
.contacts_info{
    display: flex;
    flex-direction: column;
}
.contacts_info_list{
    list-style: none;
}
.contacts_info_list_item{
    display: flex;
}
.contacts_link {
    text-decoration: none;
    color: #ffffff;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    display: flex;
    fill: white;
    padding:0.5em 0;
}
.fa-skype{
    font-size: 1.5em;
    padding-right: 0.5em;
}
.fa-at{
    font-size: 1.5em;
    padding-right: 0.5em;
}
.icon-phone{
    font-size: 1.5em;
    margin-left: -5px;   
}
.icq{
    padding-left: 0.2em;
}
.link-icon{
    padding-left: 0.5em;
}
.contacts_link:hover{
     color: #989898;
     fill: #989898;
}
.form_button:hover{
color: #989898;
}
.buy_botton:hover{
color: #989898;
}
.widget_block{
    padding-top: 1em;
    display: flex;
}
.widget{
    color: #ffffff;
    fill: #ffffff;
}
.demo-icon{
    font-size: 2em;
    margin-left: -0.2em;
}
.youtube_icon{
    margin-top: -0.3em;
    margin-left: -0.3em;
}
.widget:hover{
    color: #989898;
    fill: #989898;
}
.footer_copy{
    display: block;
    text-align: center;
    background-color:#ffffff;
    color: #333333;
}