/* BOTONES DE "TEST YOUR KNOWLEDGE" Y "CHAPTER X" */
.buttons_study_materials_container{
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 24px;
}

.buttons_study_materials_container a.button_chapter{
    margin-top: 24px;
    background: #2d89ef;
    -webkit-box-shadow: inset 0px 1px 0px #fff, 0px 5px 0px #1848bf, 1px 7px 7px 3px rgba(0,0,0,0.3);
    -moz-box-shadow: inset 0px 1px 0px #fff,0px 5px 0px #1848bf,1px 7px 7px 3px rgba(0,0,0,0.3);
    box-shadow: inset 0px 1px 0px #fff, 0px 5px 0px #1848bf, 1px 7px 7px 3px rgba(0,0,0,0.3);
    text-transform: uppercase;
    color: white;
    font-weight: 700;
    border-radius: 25px;
    padding: 15px 40px;
    display: flex;
    gap: 8px;
    transition: transform 0.2s;
    font-family: Arial, Helvetica, sans-serif;

}
.buttons_study_materials_container a.button_chapter i{
    line-height: 25px;
}
.buttons_study_materials_container a.button_chapter:active{
    transform: translateY(4px);
}