.ptsl-chapter-exercise-card{
    box-sizing:border-box!important;
    border-left:5px solid #d32f2f!important;
    background:#fff8f8!important;
}
.ptsl-chapter-exercise-title{
    color:#c62828!important;
    font-weight:700!important;
}
.ptsl-chapter-exercise-title:hover{
    color:#a91f1f!important;
}
.ptsl-chapter-exercise-badge{
    color:#b71c1c!important;
    background:#ffebee!important;
    border-color:#ef9a9a!important;
}
@media(max-width:767px){
    .ptsl-chapter-exercise-card{border-left-width:4px!important}
}