.user-border-1 {border-color: #6ba3fb !important;}
            .user-bck-1:not(.cu-active) {background-color: #6ba3fb !important;}
            .task-question.user-pulse-bck-1 {
              background-color: transparent !important;
              position: relative;
              z-index: 1;
            }
            .task-question.user-pulse-bck-1::before {
              content: '';
              position: absolute;
              top: 0;
              left: 0;
              right: 0;
              bottom: 0;
              z-index: -1;
              border-radius: inherit;
              animation: pulse-user-bg-1 4s infinite;
            }
            @keyframes pulse-user-bg-1 {
              0% { background-color: white; }
              50% { background-color: #6ba3fb; }
              100% { background-color: white; }
            }
            
            .user-border-5 {border-color: #d94040 !important;}
            .user-bck-5:not(.cu-active) {background-color: #d94040 !important;}
            .task-question.user-pulse-bck-5 {
              background-color: transparent !important;
              position: relative;
              z-index: 1;
            }
            .task-question.user-pulse-bck-5::before {
              content: '';
              position: absolute;
              top: 0;
              left: 0;
              right: 0;
              bottom: 0;
              z-index: -1;
              border-radius: inherit;
              animation: pulse-user-bg-5 4s infinite;
            }
            @keyframes pulse-user-bg-5 {
              0% { background-color: white; }
              50% { background-color: #d94040; }
              100% { background-color: white; }
            }
            
            .user-border-6 {border-color: #ffd966 !important;}
            .user-bck-6:not(.cu-active) {background-color: #ffd966 !important;}
            .task-question.user-pulse-bck-6 {
              background-color: transparent !important;
              position: relative;
              z-index: 1;
            }
            .task-question.user-pulse-bck-6::before {
              content: '';
              position: absolute;
              top: 0;
              left: 0;
              right: 0;
              bottom: 0;
              z-index: -1;
              border-radius: inherit;
              animation: pulse-user-bg-6 4s infinite;
            }
            @keyframes pulse-user-bg-6 {
              0% { background-color: white; }
              50% { background-color: #ffd966; }
              100% { background-color: white; }
            }
            
            .user-border-8 {border-color: #73ca4e !important;}
            .user-bck-8:not(.cu-active) {background-color: #73ca4e !important;}
            .task-question.user-pulse-bck-8 {
              background-color: transparent !important;
              position: relative;
              z-index: 1;
            }
            .task-question.user-pulse-bck-8::before {
              content: '';
              position: absolute;
              top: 0;
              left: 0;
              right: 0;
              bottom: 0;
              z-index: -1;
              border-radius: inherit;
              animation: pulse-user-bg-8 4s infinite;
            }
            @keyframes pulse-user-bg-8 {
              0% { background-color: white; }
              50% { background-color: #73ca4e; }
              100% { background-color: white; }
            }
            
            .user-border-10 {border-color: #7952b3 !important;}
            .user-bck-10:not(.cu-active) {background-color: #7952b3 !important;}
            .task-question.user-pulse-bck-10 {
              background-color: transparent !important;
              position: relative;
              z-index: 1;
            }
            .task-question.user-pulse-bck-10::before {
              content: '';
              position: absolute;
              top: 0;
              left: 0;
              right: 0;
              bottom: 0;
              z-index: -1;
              border-radius: inherit;
              animation: pulse-user-bg-10 4s infinite;
            }
            @keyframes pulse-user-bg-10 {
              0% { background-color: white; }
              50% { background-color: #7952b3; }
              100% { background-color: white; }
            }