@import url("/fonts/timesnewroman.css");

/* Основное окно стили элементов */

.main_class {
    position: absolute;
    border 0px;
    padding 0px;
    width: calc(100vw - 0px);
    height: calc(100vh - 0px);
}

/* Стилевые элементы меню */
.menu_screen {
    position: fixed;
    top: 0;
    margin-left: -5px;
    width: 160px;
    height: 100%;
    background: green; 
}

.menu_block {
    position: relative;	 
}

.menu_button {
    position: relative;
    border: 0px;
    padding: 0px;
    width: 160px;
    height: 50px;
    background: transparent;
    padding: 0;
    -webkit-transition-duration: 0.4s; /* Safari */
    transition-duration: 0.4s;
    cursor: pointer;
}

.menu_button_display {
    display: block;
    position: relative;
    top: 13px;
/*    font-family: "Arial", Helvetica, sans-serif; */
    font-family: "Times New Roman";
    font-size: 24px;
    font-style: normal;
    font-weight: bold;
    text-align: center;
    color: yellow;
    margin-left: auto;
    margin-right: auto;   
}

/* Стилевой элемент "логотипа" */

.menu_logo {
    display: block;
    position: fixed;
    border: 0;
    padding: 0;
/*    font-family: "Arial", Helvetica, sans-serif; */
    font-family: "Times New Roman";
    font-size: 18px;
    font-style: normal;
    font-weight: bold;
    color: white;
    text-align: center;
    vertical-align: bottom;
    bottom: 0;
    margin-left: 0;
    width: 160px;
}

/* Стилевые элементы основного "окна" */

.main_screen {
    position: relative;
    top 0;
    width: calc(100% - 160px); 
    margin-left: 160px;
    margin-right: 0px;
    height: 100%;
    padding: 0px;
    border: 0px;
}

.main_iframe {
    border 0px;
    padding 0px;   
    top 0; 
    position: relative;
    width: 100%;
    height: 100%;
    margin-left: 0px; 
}