body , html{
    text-align:center;
    /*min-height: 600px;*/
    width:100%;
    padding:0;
    margin:0;
    font-size: 16px;
    color:#1f6cc0;
    height: 100%;
    /*background: url();*/
    /*border:1px solid red;*/
}
.main-container{
    min-height: calc(100% - 60px);
}

.top-nav{
    margin:0;
    height:50px;
    vertical-align: middle;
    border-bottom: 1px solid #f2f7f1;
    box-shadow: #cbcfd3 1px 2px 15px;
}
.top-nav li{
    display: inline-block;
    height: 50px;
    line-height: 50px;
    vertical-align: middle;
}
.top-nav li:before{
    content:"";
}
.top-nav li a{
    color:#1f6cc0;
    text-decoration: none;
    letter-spacing: 2px;
}

.main-p{
    font-size: 20px;
    /*text-indent: 20px;*/
    text-align: left;
    padding: 10px;
    line-height: 38px;
    margin:60px auto 0 auto;
    max-width: 860px;
    min-height: 100px;
    color:#1f6cc0;
}
.author{
    font-weight: 600;
    letter-spacing: 3px;
    float:right;
    margin:10px 20px 0 0;
}
footer {
    height: 40px;
    background: #212742;
    color:white;
    border-top:5px solid #c92b2f;
    padding:5px 0;
    font-size:12px;
    text-align: center;
    /*position: absolute;*/
    width: 100%;
    /*bottom:0;*/
    overflow: auto;
    margin: 0 auto;
}
footer a{
    color:#fefefe;
}