*{
    box-sizing: border-box;
    border: 0;
    margin: 0;
    padding: 0
}

body{
    font-family: Roboto;
    font-size: 12px;
    color: #333333;
}
.container{
    margin: 20px auto;
    max-width: 680px;
}
header{
    border: 1px solid #1E90FF;
    font-size: 20px;
    padding: 10px 20px;
    margin: 10px;
}
header img{
    width: 30%;
}
.header_text{
    display: inline-block;
    vertical-align: top;
    padding-top: 7px;
    float: right;
}
.content{
    border: 1px solid #1E90FF;
    padding: 10px 20px;
    margin: 10px;
}
strong{
    font-weight: 700;
}
.content h4{
    text-align: center;
}
.content img{
    width: 100%;
}
em{
    font-size: 12px;
    color: #c8c8c8;
}
.line{
    width: 100%;
    height: 1px;
    background-color: #c8c8c8;
}
.content_title{
    font-size: 18px;
    padding-top: 10px;
}
p{
    margin: 10px 0;
}
.big_title{
    font-size: 24px;
    line-height: 1.2;
}
ol li{
    margin: 20px 0 20px 15px;
}
.btn{
    background-color: #1E90FF;
    font-size: 1.2rem;
    font-weight: 700;
    height: 70px;
    text-transform: none;
    line-height: 20px;
    padding: 1rem;
}
.btn:hover{
    background-color: #1E90FF;

}
.inner_card{
    background-color: #f5f5f5;
    border: 1px solid #a0a0a0;
    padding: 0 5px 5px 5px;
    margin-top: 15px;
    font-size: 14px;

}
.inner_title{
    font-size: 16px;
    line-height: 1.2;
}
.inner_text{

    text-decoration: underline;
}
ul li:before {
    content:  "- ";
    position: relative;
}
.btn1{
    background-color: #1E90FF;
    font-size: 1.2rem;
    font-weight: 700;
    height: 50px;
    text-transform: none;
    line-height: 20px;
    padding: 1rem;
    margin: auto;
}
.btn1:hover{
    background-color: #1E90FF;

}
.images_block{
    padding: 10px;
}
.images_block img{
    width: 45%;
}
#mask{
    margin-bottom: 20px;
}
footer{
    border: 1px solid #1E90FF;
    font-size: 12px;
    padding: 10px 20px;
    margin: 10px;
}
footer img{
    width: 35%;
}
@media screen and (max-width: 800px){
    header{
        font-size: 16px;
    }
    .big_title{
        font-size: 20px;
    }
    .content_title{
        font-size: 17px;
    }
}
@media screen and (max-width: 500px){
    header img{
        width: 45%;
    }
    header{
        font-size: 10px;
        padding: 10px;
    }
    footer img{
        width: 90%;
    }
    .content h4{
        font-size: 16px;
    }
    .big_title{
        padding-top: 10px;
    }
    .btn, .btn1{
        padding: 15px 10px;
    }
    .col.s5, .col.s7, .col.s6{
        width: 100% !important;
    }

}
@media screen and (max-width: 320px){
    .header_text{
        padding-top: 5px;
    }
    .content_title{
        font-size: 14px;
    }
}