html,
body {
    margin: 0;
    padding: 0;
}

body {
    width: 100%;
    height: 100%;
    font-family: Roboto;
    font-size: 16px;
}

* {
    box-sizing: border-box;
}

a {
    text-decoration: none;
}

#PageFooter ul {
    list-style-type: none;
    color: aquamarine;
    padding: 20px;
}

#PageFooter ul span {
    color: white;
}

/* -------------------------------------------------------------------------- */
/* MOBILE MODE: ------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */

@media only screen and (max-width: 600px) {

    body {}

    #PageHeader {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        background-color: #eeffe6;
        height: 80px;
        background-image: url("/images/gui/logo/LOGO_PSD.svg");
        background-size: auto 70px;
        background-repeat: no-repeat;
        background-position: 8px center;
        padding-left: 70px;
        box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    }

    #ShortName {
        color: #006600;
        font-size: 24px;
        display: block;
    }

    #LogoText {
        position: relative;
	   	margin-top: 12px;
    }

    #OurName, #OurHome {
       	display: none;
    }

    #Hamburger, #CloseMenu {
        display: inline-block;
        position: absolute;
        top: 16px;
        right: 16px;
        padding: 5px;
        color: #006600;
        font-size: 12px;
        outline: none;
    }

    #CloseMenu { display: none; }

    #MainMenu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: white;
        padding: 20px;
        border-top: solid 1px #006600;
    }

    #MainMenu nav {
        display: grid;
        grid-template-columns: 1fr;
    }

    #MainMenu nav a {
        padding: 10px;
        text-align: left;
        line-height: 2;
        border-bottom: solid 1px gainsboro;
        font-size: 15px;
        color: #006600;
    }

    #MainMenu nav a:hover {
        border-bottom: solid 1px orangered;
        color: orangered;
    }

    #MainMenu nav a i {
        display: inline-block;
        margin-right: 10px;
    }

    #MainContainer {
        margin: 90px auto 0 auto;
        height: 1200px;
        width: 100%;
        padding: 20px;
        font-size: 18px;
    }

    #Content {
        background-color: white;
    }

    #Sponsors {
        background-color: white;
    }

    #PageFooter {
        background-color: #006600;
        width: 100%;
        margin: 10px auto 0 auto;
        font-size: 12px;
    }

}

/* -------------------------------------------------------------------------- */
/* TABLET MODE: ------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */

@media only screen and (min-width: 601px) and (max-width: 1150px) {

    body {
        background-size: cover;
        background-image: url("/images/gui/podloga.jpg");
        background-repeat: no-repeat;
        background-attachment: fixed;
        background-position: center bottom;
        text-align: center;
    }

    .OnlyTabletSecond {
        display: inline;
    }

    #PageHeader {
        position: relative;
        margin: 0 auto 10px; auto;
        background-color: rgba(255, 255, 255, 0.8);
        height: 150px;
        width: 100%;
        background-image: url("/images/gui/logo/LOGO_PSD.svg");
        background-size: 85px auto;
        background-repeat: no-repeat;
        background-position: 13px center;
    }

    #Hamburger, #CloseMenu {
        display: inline-block;
        position: absolute;
        bottom: 5px;
        right: 10px;
        padding: 5px;
        color: steelblue;
    }

    #CloseMenu { display: none; }

    #LogoText {
	   	width: calc(100% - 100px);
	   	margin-top: 15px;
        float: right;	   	
    }

    #ShortName { display: none; }

    #OurName {
       	font-size: 28px;
       	color: steelblue;
    }

    #OurHome {
        font-size: 18px;
        color: gray;
    }

    #MainMenu {
        display: none;
        position: fixed;
        top: 150px;
        left: 0;
        right: 0;
        bottom: 0;
        text-align: right;
        background-color: white;
        border-top: solid 1px #006600;
        padding: 20px;
    }

    #MainMenu nav {
        display: grid;
        grid-template-columns: 1fr;
    }

    #MainMenu nav a {
        padding: 10px;
        text-align: left;
        line-height: 2;
        border-bottom: solid 1px gainsboro;
        font-size: 15px;
        color: #006600;
    }

    #MainMenu nav a:hover {
        border-bottom: solid 1px orangered;
        color: orangered;
    }

    #MainMenu nav a i {
        display: inline-block;
        margin-right: 10px;
    }

    #MainContainer {
        margin: auto;
        height: 1200px;
        width: 100%;
        display: grid;
        grid-template-columns: auto 300px;
        grid-column-gap: 10px;
    }

    #Content {
        background-color: rgba(255, 255, 255, 0.8);
    }

    #Content span {
        display: none;
    }

    #Sponsors {
        background-color: rgba(255, 255, 255, 0.8);
    }

    #Sponsors div {
        background-color: steelblue;
        color: white;
        padding: 10px;
    }

    #PageFooter {
        background-color: rgba(25, 25, 112, 0.8);
        width: 100%;
        margin: 10px auto 0 auto;
    }

}

@media only screen and (min-width: 601px) and (max-width: 900px) {

    #ShortName { display: none; }

    #MainContainer {
        margin: auto;
        height: 1200px;
        width: 100%;
        display: grid;
        grid-template-columns: 1fr;
        grid-row-gap: 10px;
    }

}

@media only screen and (min-width: 601px) and (max-width: 750px) {

    #LogoText {
	   	margin-top: 20px;
    }

    #ShortName { display: none; }

    #OurName {
       	font-size: 24px;
       	color: steelblue;
    }

}

/* -------------------------------------------------------------------------- */
/* DESKTOP MODE: ------------------------------------------------------------ */
/* -------------------------------------------------------------------------- */

@media only screen and (min-width: 1151px) {

    body {
        background-size: cover;
        background-image: url("/images/gui/podloga.jpg");
        background-repeat: no-repeat;
        background-attachment: fixed;
        background-position: center bottom;
        text-align: center;
    }

    .OnlyTabletSecond {
        display: none;
    }

    #PageHeader {
        margin: 0 auto 10px; auto;
        background-color: rgba(255, 255, 255, 0.8);
        height: 150px;
        width: 1150px;
        background-image: url("/images/gui/logo/LOGO_PSD.svg");
        background-size: 85px auto;
        background-repeat: no-repeat;
        background-position: 13px center;
    }

    #Hamburger, #CloseMenu, #ShortName {
        display: none;
    }

    #LogoText {
	   	width: 1040px;
	   	margin-top: 20px;
        float: right;	   	
    }

    #OurName {
       	font-size: 32px;
       	color: steelblue;
    }

    #OurHome {
        font-size: 18px;
        color: gray;
    }

    #MainMenu {
        display: block;
        margin: -50px auto 10px auto;
        width: 1150px;
        height: 40px;
        text-align: right;
    }

    #MainMenu nav {
        width: 1040px;
        height: 40px;
        float: right;
        display: grid;
        grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr;
    }

    #MainMenu nav a {
        text-align: center;
        line-height: 2;
        border-bottom: solid 5px gainsboro;
        font-size: 15px;
        color: steelblue;
    }

    #MainMenu nav a:hover {
        border-bottom: solid 5px orangered;
        color: orangered;
    }

    #MainMenu nav a i {
        display: inline-block;
        margin-right: 10px;
    }

    #MainContainer {
        padding: 0;
        margin: 0 auto 0 auto;
        height: 1200px;
        width: 1150px;
        display: grid;
        grid-template-columns: auto 300px;
        grid-column-gap: 10px;
    }

    #Content {
        background-color: rgba(255, 255, 255, 0.8);
        margin: 0;
    }

    #Content span {
        display: none;
    }

    #Sponsors {
        background-color: rgba(255, 255, 255, 0.8);
        margin: 0;
    }

    #Sponsors div {
        background-color: steelblue;
        color: white;
        padding: 10px;
    }

    #PageFooter {
        background-color: rgba(25, 25, 112, 0.8);
        width: 1150px;
        margin: 0 auto 0 auto;
    }

}