.teaching-body {
    width: 100%;
    max-width: 800px;
    flex-grow:1;
    display: flex;
    flex-direction: column;
    /*overflow-x: n;*/
}
.teaching-title {
    display: flex;
    width: 100%;
    font-weight: 600;
    font-size: 2em;
    justify-content: center;
    text-align: center;
    padding-left:50px;
    padding-right:50px;
    /*height: 1;*/
}
.teaching-homework{
    display:flex;
    flex-direction:column;
    /*overflow-x: h;*/
}
.teaching-homework-assignment{
    display:flex;
    width:100%;
    flex-direction:row;
    border:1px solid black;
    margin-bottom:-1px;
}
.teaching-homework-book{
    display:flex;
    flex-grow:0;
}
.teaching-homework-text{
    display:flex;
    flex-grow:1;
}
.teaching-cancel-button {
    color: red;
    font-size: 30px;
    height: 30px;
    cursor: pointer;
    display: block;
    float: right;
    margin-top: -2px;
    margin-right:2px;
}

    .teaching-cancel-button:hover {
        color: #c00;
    }
    .teaching-cancel-button:active {
        color: #f33;
    }
.teaching-homework-selectingbook {
    display: flex;
    flex-direction: column;
}

.teaching-homework-statictext {
    cursor: pointer;
    width: 100%;
    background-color: lightskyblue;
    padding:3px;
    border-radius:6px;
    margin-top:3px;
    margin-bottom:3px;
    margin-right:3px;
}
.teaching-homework-editing{
    display:flex;
    flex-direction:column;
    flex-grow:1;
    height:100%;
}
.teaching-homework-editingtext{
    display:flex;
    width:100%;
    flex-grow:1;
    margin-top:3px;
    margin-bottom:3px;
}
.teaching-homework-editing-textarea{
    display:flex;
    flex-grow:1;
    width:100%;
    height:100%;
}
.teaching-homework-editing-submitbutton {
    display: flex;
    flex-grow: 0;
}
.teaching-textboard-assignment-title {
    display: flex;
    width: 100%;
    font-weight: 600;
    font-size: 1.7em;
    justify-content: center;
    text-align: center;
}