html, body, .wrapper {height: 100%;}
html {
    background: #FFFFFF;
    min-height: 100%;
    font-family: sans-serif;

    /*
    display: -webkit-flex;
    display: flex;
    flex-direction: column;
    */
}

body {
    background: #efefef;

    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
main {
    flex: 1;
}

/*body
{
    background-color: azure;
    margin: 0 auto;
    width: 1200px;
}*/
/*
body {
    margin: 0;
    padding: 0 15px;
    display: -webkit-flex;
    display: flex;
    flex-direction: column;
    flex: auto;

}*/

.full-height {
    height: 100%;
 }
.height-200 {
    height: 20vh;
}

.full-width {
    width: 100%;
}
.width-500 {
    width: 500px;
}

.vertical-centered-container {
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;

    flex-direction: column;

    -ms-flex-align: center;
    -webkit-align-items: center;
    -webkit-box-align: center;

    align-items: center;

    /*justify-content: center;*/
    justify-content: space-between;
}

.header {
    font-family: Georgia;
    font-size: 1.4em;
    text-align: center;
    margin-bottom: 10px;
}

.logo {
    /*font-family: Algerian;*/
    font-family: "Vineta BT";
    font-size: 2.5em;
    font-weight: 700;
    text-align: center;
    color: darkblue;
    margin-top: 25px;
}

.panel {
    box-shadow: 5px 5px 5px grey;
}



.flag {
    display: inline-block;
    width: 32px;
    height: 32px;
    background: url('flags.png') no-repeat;
    cursor: pointer;
    margin-left: 10px;
}

.flag.flag-ru {
    background-position: -32px 0;
}
.flag.flag-co {
    background-position: 0 0;
}
.flag.flag-us {
    background-position: 0 -32px;
}