*{
    margin: 0;
    padding: 0;
    /* border: 1px solid red; */
    box-sizing: border-box;
}

.wrapper{
    background: repeating-linear-gradient(0grad, transparent 0 29px, rgba(0, 0, 255, 0.5) 30px 30px), 
    repeating-linear-gradient(to right, transparent 0 29px, rgba(0, 0, 255, 0.5) 30px 30px);
    background-position: center ;
    background-attachment: local;
    display: flex;
    position: relative;
}

/* ASIDE start */
.aside{
    width: 360px;
    display: block;
    height: auto;
}

.logo{
    display: block;
    height: auto;
    background-color: blue;
    color: white;
    font-family: mathRegularFont;
    font-style: normal;
    text-align: center;
    margin-bottom: 30px;
    
}

.logo>h1{
    padding: 10px 10px 0px 10px;
    font-size: 75px;
}

.logo>h2{
    padding: 0px 10px 10px 10px;
    /* font-size: 75px; */
}

.authentification{
    display: block;
    
    
}

.authent-form{
    display: block;
    /* flex-direction: column;
    flex-wrap: wrap; */
    /* padding: 5px 0; */
    background-color: blue;
    color: white;
    font-family: mathRegularFont;
    font-style: normal;
    font-size: 20px;
    text-align: center;
    justify-content: center;
    padding: 10px;
    /* margin: 10px 10px; */
}

/* fieldset{
    margin: 1px;
} */

.student-name,
.teacher-email
{
    width: 300px;
    height: auto;
    padding: 5px;
    margin: 5px;
}

.student-name:hover,
.teacher-email:hover
{
    box-shadow: 0 0 12px black;
}

.labelForCheckBox{
    display: block;
    text-align: center;
    /* flex-wrap: nowrap; */
    width: auto;
    height: auto;
    /* padding: 5px 0 0; */
    /* float:start; */
    align-items: center;
    /* margin-left: 15px; */
    justify-content: center;
    margin-bottom: 5px;
}

.actions{
    padding-top: 20px;
    padding-bottom: 30px;
    /* padding-top: 10px; */
}

ul{
    font-family: mathRegularFont;
    font-size: 30px;
    line-height: 30px;
}

li{
    height: 30px;
    font-size: 30px;
    padding-left: 20px;
    line-height: 30px;
    
}


a{
    text-decoration: none;
    color: rgba(0, 0, 0, 0.705);
}

a:hover{
    color: rgb(0, 0, 0);
    font-weight: bolder;
}

.rubricator{
    width: auto;
    color: blue;
    text-align: center;
    font-weight: bolder;
    margin-top: 30px;
}

.sub-rubricator{
    margin-left: 30px;
    margin-top: 30px;
    font-weight: bold;
    text-align: left;
    list-style: none;
}


/* ASIDE finish */


/* CONTENT start */

.content{
    /* border: 2px solid forestgreen; */
    width: calc(100% - 360px);
    min-width: 360px;
    font-size: 30px;
    line-height: 30px;
    padding: 20px;
    border-left: 2px solid red;
    align-items: center;
    text-align: center;
    display: block;
}

.example0{
    margin: 0;
    padding: 0;
    font-family: mathRegularFont;
}

.example{
    /* display: block; */
    width: auto;
    height: 30px;
    margin-top: 30px;
    word-wrap: break-word;
    font-family: mathLightFont;
}
/* CONTENT finish */




/* FOOTER start */
footer{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    font-family: mathLightFont;
    font-weight: bolder;
    background-color: blue;
    color: white;
}

.author-contact{
    text-align: center;
    margin: 5px 30px;
    padding: 5px;
    background-color: white;
    border: 3px double black;
}

.author-info,
.address{
    width: auto;
    text-align: center;
    margin: 5px;
}

/* .address{
    width: 360px;
} */
/* FOOTER finish */


@font-face {
    font-family: mathLightFont;
    src: url('../fonts/YanoneKaffeesatz-Light.ttf');
}

@font-face {
    font-family: mathRegularFont;
    src: url('../fonts/YanoneKaffeesatz-Regular.ttf');
}

@media screen and (max-width: 550px) {
    footer{
        flex-direction: column;
    }
}

@media screen and (max-width: 740px) {
    .content{
        display: none;
    }
    .aside{
        width: 100%;
    }
}