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

 .big-page {
    min-height: 2000px;
}

 body {
    font-size: 16px;
    font-family: 'Exo 2', sans-serif;
    font-weight: 400;
    background-color: rgba(12, 84, 117, 0.733);
}

.big-page {
    min-height: 2000px;
}

.cen{
    text-align: center;
    font-size: 70px;
    
}

.glavnaya{
    position: fixed;
    width: 60px;
    right: 100px;
    bottom: 100px;
    font-size: 40px;
    text-decoration: none;
}

.voprosy{
font-size: 35px;
margin-left: 650px;
margin-top: 100px;

}

.idei{
    font-size: 35px;
    margin-left: 650px;
    margin-top: 100px;

}

.reklama{

    font-size: 35px;
    margin-left: 650px;
    margin-top: 100px;
}



header {
    background-color: rgba(10, 64, 88, 0.733);
    text-align: center;
    height: 100px;
}

.header-a {
    font-size: 25px;
    line-height: 60px;
    color: rgb(6, 23, 54);
    text-decoration: none;
    display: inline-block;
    margin: 0 50px;
    transition: 0.5s;
}
.header-a:hover{
    color: #a0910d;
}

.page-title {
    font-size: 100px;
    text-align: center;
}

.logo {
    float: left;
    height: 80px;
    margin-top: 10px;
    margin-left: 40px;
}

.container {
    width: 1200px;
    margin: 0 auto;
}

.row   {
    display: block;
}

.row:after {
    clear: both;
    content: '';
    display: block;
}

.w25 {
    float: left;
    width: 25%;
    padding: 10px;
}

.w50 {
    float: left;
    width: 50%;
    padding: 10px;
}

.w75 {
    float: left;
    width: 75%;
    padding: 10px;
}

.mt-100 {
    margin-top: 100px;
}

.scuba{
    font-size: 70px;
    text-align: center;
    margin-top: 100px;
}

.row .text {
    height: 300px;
    background-color: rgb(255, 255, 255);
    border: rgba(55, 173, 189, 0.356) 10px solid;
    padding-top: 40px;
    padding-left: 20px;
    font-size:30px;
}

.bcd1{
    max-width: 100%;
    height: 300px;
    border: rgba(91, 176, 209, 0.658) 10px solid;

}