.old-exams-container {
    .old-exam-subject:first-child {
        border-top: 1px solid $grey-border;
    }
    .old-exam-subject {
        border-bottom: 1px solid $grey-border;
        
        header {
            padding: 20px;
            cursor: pointer;
            
            h3 {
                margin-bottom: 0;
            }

            button {
                width: 30px;
                height: 30px;
                padding: 0;
                text-align: center;
                background-color: transparent;
                border-radius: 50%;

                .material-icons {
                    vertical-align: middle;
                }
            }

            &:hover {
                background-color: $light-blue;
            }
        }

        .old-exam-body {
            padding: 0 20px;

            .old-exams-title {
                padding: 20px;
                cursor: pointer;

                h4 {
                    margin: 0;
                }

                &:hover {
                    background-color: $light-blue;
                }
            }

            .material-icons.sub-up-down:before {
                content: 'keyboard_arrow_down';
                font-size: 24px;
            }
        
            &.expanded {
                .material-icons.sub-up-down:before {
                    content: 'keyboard_arrow_up';
                }
            }
        }

        .material-icons.categorie-up-down:before {
            content: 'keyboard_arrow_down';
            font-size: 24px;
        }
    
        &.expanded {
            .material-icons.categorie-up-down:before {
                content: 'keyboard_arrow_up';
            }
        }
    }
}