input[type="checkbox"] {
    accent-color: rgb(244 243 242) !important;
}

.btPrec2 {
    margin-top: 15px !important;
    border-radius: 6px !important;
    border-style: solid;
    border-width: 0.5px !important;
    height: 34px !important;
    color: black !important;
    clear: both !important;
    background-color: white;
    border-color: #999;
    font-weight: bolder;
    font-family: 'Times new roman';
}



.annou {
    -webkit-animation-name: animationW;
    animation-name: animationW;
    animation-iteration-count: infinite;
    -webkit-animation-duration:2s;
    margin:0;
}

@keyframes animationW {
    from {
        opacity:0;
    }
    to {
        opacity:1;
    }
}

.picInText {
    display: inline-block;
    height: 54px;
    margin-bottom: -23px;
    margin-top: 8px;
} 

.btPrec {
    margin-top: 15px !important;
    border-radius: 2px !important;
    border-style: solid !important;
    border-width: 0.5px !important;
    border-color: #f4f3f2 !important;
    height: 34px !important;
    display: block !important;
    color: #60564e !important;
    background-color: #f4f3f2 !important;
    clear: both !important;
    font-weight: 900;
}

.tbPrec {
    margin-top: 10px;
    padding: 3px;
    border-radius: 2px;
    border-style: solid;
    border-width: 0.5px;
    border-color: lightgrey;
}

.divCalcPrec {
    border-style: solid;
    border-width: 1px;
    padding: 18px;
    margin-top: 20px;
    border-color: bisque;
    border-radius: 3px;
}

.formula {
    float: left;
    height: 60px;
    border-style: solid;
    border-width: 1px;
    margin-right: 7px;
    border-radius: 5px;
    margin-bottom: 10px;
    margin-top: 4px;
}

#slogMat p {
    margin:0 !important;

}

#m2div p {
    margin-top: 0px !important;
}

#m2div img {
    display: inline-block;
    height: 44px;
    margin-bottom: -17px;
    margin-top: 12px;
}

.divEdInfo {
    margin-bottom: 15px;
    background-color: rgb(248,248,248);
    padding: 15px;
}
.liSt {
    /*color: rgb(218, 108, 10);
    padding: 8px;
    list-style: none;
   
    border-bottom-style: solid;
    border-width: 1px;
    margin-left: -26px;*/
    color: rgb(0, 0, 0);
    padding: 8px;
    list-style: none;
    border-bottom-style: inset;
    border-width: 1px;
    margin-left: -26px;
    font-size: 120%;
}
.divArtc {
    margin-bottom: 20px;
    background-color: rgb(244, 243, 242);
    padding: 33px;
    border-style: solid;
    border-radius: 4px;
    border-width: 1px;
    border-color: #f4f3f2;
}

.aArtc {
    font-weight: bolder;
    border-bottom-style: solid;
    padding-bottom: 2px;
    text-decoration:none;
    line-height:2.6;
    color:black;

}

.exClassSt {
    border-bottom: solid;
    font-size: 23px;
    border-width: 0.5px;
    color: #006496;
}
.Examples_fractions_class {
    font-size:50% !important;
}

.tab_class {
    border-top-color: black;
    border-style: solid;
    border-bottom: none;
    border-left: none;
    border-right: none;
    margin-top: -1px;
    padding-top: 23px;
    display: block;
}

.tab_class2 {
    border-top-color: black;
    border-style: solid;
    border-bottom: none;
    border-left: none;
    border-right: none;
    margin-top: -1px;
    padding-top: 23px;
    display: block;
}

    .tab_class2 span {
        font-size: 100%;
        font-family: Comfortaa-Light;
    }

.tab_class_hid {
    display:none;
}

.button_selected {
    border-radius: unset !important;
    background: black !important;
    color: white !important;
    margin: 0 !important;
    margin-bottom: 0px !important;
    width: 150px !important;
    text-align: center !important;
    padding: 0 !important;
    letter-spacing: 0 !important;
    border-color: black !important;
}

.button_unselected {
    border-radius: unset !important;
    background: white !important;
    color: black !important;
    margin: 0 !important;
    margin-bottom: 0px !important;
    width: 150px !important;
    text-align: center !important;
    padding: 0 !important;
    letter-spacing: 0 !important;
}

.div_holder {
    /*font-family: 'Courier New' !important;*/
    font-size: 100%;
    font-weight: bold;
}

.div_holderA {
    font-family: 'Courier New' !important;
}


h2 {
    margin-top: 20px !important;
}

@/*font-face {
    font-family: 'Comfortaa-Light';
    src: url('/Assets/fonts_v1.0/Comfortaa-Light.ttf') format('truetype');
}*/



body {
    font-family: 'Comfortaa-Light';
}

.borderTest {
    border-style:solid;
}

.Square_root {
    -webkit-transform: skewX(26deg);
    -moz-transform: skewX(26deg);
    -o-transform: skewX(26deg);
    -ms-transform: skewX(26deg);
    transform: skewX(26deg);
    display: inline-block;
    border-left-style: solid;
    width: 1px;
    height: 9px;
    margin-right: 3px;
    border-width: 1.5px;
    margin-left: 3px;
}
.Square_root2 {
    border-left-style: solid;
    /*-webkit-transform: skewX(-26deg);
    -moz-transform: skewX(-26deg);
    -o-transform: skewX(-26deg);
    -ms-transform: skewX(-26deg);
    transform: skewX(-26deg);*/
    -webkit-transform: skewX(-16deg);
    -moz-transform: skewX(-16deg);
    -o-transform: skewX(-16deg);
    -ms-transform: skewX(-16deg);
    transform: skewX(-16deg);
    display: inline-block;
    border-left-style: solid;
    width: 1px;
    height: 16px;
    border-width: 1.5px;
}
.Square_root3 {
    display: inline;
    border-top-style: solid;
    width: auto;
    padding-top: 3px;
    border-top-left-radius: 5px;
    padding-left: 2px;
    padding-right: 4px;
    border-width: 1.5px;
    font-family: 'Courier New' !important;
}


.Square_root_frac {
    -webkit-transform: skewX(26deg);
    -moz-transform: skewX(26deg);
    -o-transform: skewX(26deg);
    -ms-transform: skewX(26deg);
    transform: skewX(29deg);
    display: inline-block;
    border-left-style: solid;
    width: 1px;
    height: 6px;
    margin-right: 4px;
    border-width: 1.5px;
    margin-left: 3px;
    margin-bottom: 9px;
}

.Square_root2_frac {
    border-left-style: solid;
    -webkit-transform: skewX(-26deg);
    -moz-transform: skewX(-26deg);
    -o-transform: skewX(-26deg);
    -ms-transform: skewX(-26deg);
    transform: skewX(-9deg);
    display: inline-block;
    border-left-style: solid;
    width: 1px;
    height: 41px;
    border-width: 1.5px;
    margin-bottom: 8px;
}

.Square_root3_frac {
    display: inline-block;
    border-top-style: solid;
    width: auto;
    padding-top: 0px;
    border-top-left-radius: 5px;
    padding-left: 2px;
    padding-right: 4px;
    border-width: 1.5px;
    font-family: 'Courier New' !important;
}
/* Navbar container */
.navbar {
    overflow: hidden;
    background-color: #333;
    font-family: 'Comfortaa-Light';
    margin-left: 0px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5) !important;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    margin-bottom: 7px;
}

    /* Links inside the navbar */
    

    .navbar .menuMain {
        margin-left: 0px;
        margin-right: 0px;
    }

/* The dropdown container */
.dropdown {
    float: left;
    overflow: hidden;
}

    /* Dropdown button */
    .dropdown .dropbtn {
        font-size: 16px;
        border: none;
        outline: none;
        color: white;
        padding: 14px 16px;
        background-color: inherit;
        font: inherit; /* Important for vertical align on mobile phones */
        margin: 0; /* Important for vertical align on mobile phones */
        font-weight: bolder;
    }

    /* Add a red background color to navbar links on hover */
    .navbar .aClass:hover, .dropdown:hover .dropbtn {
        color: white;
        text-decoration-line: underline;
    }

/* Dropdown content (hidden by default) */
.dropdown-content {
    display: none;
    position: absolute;
    z-index: 99999999;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown:active .dropdown-content {
    display: block;
}



.pT {
    color: black;
    margin-top: 1px;
}

.adRowHeader {
    display: none !important;
}

.adRowHeader2 {
    display: none !important;
}

.leftAdClass {
    display: none !important;
}






    @media (min-width: 200px) {

        .tw {
            /*display:none;*/
        }

        .navbarHid {
            display: none;
        }

        .navbarHid2 {
            display: block;
        }

        .memuIcon {
            float: left;
            display: block;
        }

        .menuHeader {
            background-color: rgb(255, 126, 15);
            height: 17.5px;
            font-family: Comfortaa-Light;
            font-size: 21px;
            text-align: left;
            color: white;
            min-width: 187px;
            padding: 17px;
            box-shadow: 0 0 10px rgba(0,0,0,0.5);
            /*border-top-left-radius: 10px;
        border-top-right-radius: 10px;*/
            font-weight: bold;
            margin-top: -37px;
        }

        .headerT {
            width: 250px;
            height: 90px;
            float: none;
            margin-left: 44px;
            margin-top: -2px;
            font-size: 87%;
        }

        .vkGroopSmall {
            display: none !important;
        }

        .ddlRectangle {
            max-width: 260px;
        }

        .navbar .aClass {
            float: left;
            font-size: 13px;
            color: white;
            text-align: left;
            padding: 5px 16px;
            text-decoration: none;
            font-weight: bolder;
            width: 100%;
            border-bottom-style: solid;
            border-bottom-color: #ff7e0f;
        }
    }
@media (min-width: 375px) {
    .ddlRectangle {
        max-width: 337px;
    }
}

@media (min-width: 400px) {
    .ddlRectangle {
        max-width: 359px;
    }
}
    @media (min-width: 500px) {
        .tw {
            display: block;
        }

        .navbarHid {
            display: block;
        }

        .memuIcon {
            float: left;
            display: none;
        }

        .menuHeader {
            background-color: rgb(255, 126, 15);
            height: 53.5px;
            font-family: Comfortaa-Light;
            font-size: 21px;
            text-align: left;
            color: white;
            min-width: 187px;
            padding: 17px;
            box-shadow: 0 0 10px rgba(0,0,0,0.5);
            border-top-left-radius: 10px;
            border-top-right-radius: 10px;
            font-weight: bold;
            margin-top: 0;
        }

        .headerT {
            width: 250px;
            height: 90px;
            float: none;
        }

        .vkGroopSmall {
            display: block !important;
        }

        .ddlRectangle {
            max-width: none;
            width: auto;
        }
    }
    /*Изменение размеров верхнего меню!!!*/
    @media (min-width: 780px) {
        .vkGroopSmall {
            display: block !important;
        }

        .navbar .aClass {
            float: left;
            font-size: 14px;
            color: white;
            text-align: center;
            padding: 14px 12px;
            text-decoration: none;
            font-weight: bolder;
            border-bottom-style: none;
            width: auto;
            /*------------------------*/
        }

        .menuHeader {
            background-color: rgb(255, 126, 15);
            height: 100px;
            font-family: Comfortaa-Light;
            font-size: 21px;
            text-align: left;
            color: white;
            min-width: 187px;
            padding: 17px;
            box-shadow: 0 0 10px rgba(0,0,0,0.5);
            border-top-left-radius: 10px;
            border-top-right-radius: 10px;
            font-weight: bold;
        }

        .headerT {
            width: 250px;
            height: 90px;
            float: left;
        }

        .adRowHeader2 {
            display: block !important;
            width: 320px;
            height: 100px;
            float: right;
            margin-left: 30px;
        }
    }

    @media (min-width: 1100px) {

        .adRowHeader2 {
            display: none !important;
        }

        .adRowHeader {
            width: 728px;
            height: 90px;
            float: right;
            margin-left: 30px;
            display: block !important;
        }

        .headerT {
            width: 250px;
            height: 90px;
            float: left;
        }

        .vkGroopSmall {
            display: block !important;
        }
    }

    @media (min-width: 1280px) {

        .vkGroopSmall {
            display: none !important;
        }

        .adRowHeader {
            display: none !important;
        }

        .adRowHeader2 {
            display: block !important;
            width: 320px;
            height: 100px;
            float: right;
            margin-left: 30px;
        }

        .leftAdClass {
            display: block !important;
            /* width: 300px;
            height: 250px;*/
        }

        .headerT {
            width: 250px;
            height: 90px;
            float: left;
        }
    }

    @media (min-width: 1500px) {
        .vkGroopSmall {
            display: none !important;
        }

        .headerT {
            width: 250px;
            height: 90px;
            float: left;
        }

        .adRowHeader {
            width: 728px;
            height: 90px;
            float: right;
            margin-left: 30px;
            display: block !important;
        }

        .adRowHeader2 {
            display: none !important;
        }
    }